NECTA Physics AI Practice

Question 1

What is the SI unit of electric current?

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Question 2

Which instrument is commonly used to measure temperature in physics experiments?

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Question 3

What is the acceleration of a freely falling object near the Earth's surface?

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Question 4

Which of the following is a scalar quantity?

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Question 5

If a force of 10 N is applied on a mass of 2 kg, what is the acceleration produced?

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Question 6

What type of energy is stored in a stretched spring?

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Question 7

Which wave property is defined as the distance between two consecutive crests?

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Question 8

Which of the following materials is a good conductor of electricity?

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Question 9

During which process does heat energy cause a substance to change from solid directly to gas?

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Question 10

What is the unit of magnetic flux?

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Question 11

In the photoelectric effect, what causes electrons to be emitted from a metal surface?

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Question 12

What is the principle of conservation of mechanical energy?

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Question 13

Which of these quantities is a vector?

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Question 14

What is the frequency of a wave with a period of 0.02 seconds?

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Question 15

Which quantity is conserved in an elastic collision?

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Question 16

What is the main function of a transformer in an electrical circuit?

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Question 17

Which phenomenon explains why a straw appears bent when placed in water?

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Question 18

What is the work done by a force of 5 N moving an object 3 meters in the direction of the force?

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Question 19

What is the kinetic energy of a 4 kg object moving at 3 m/s?

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Question 20

Which particle has a positive charge?

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Question 21

Which instrument is used to measure the volume of an irregular solid?

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Question 22

A body moving with constant velocity has:

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Question 23

What is the kinetic energy of a body of mass 2 kg moving at a speed of 3 m/s?

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Question 24

The time period of a wave is 0.02 seconds. What is its frequency?

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Question 25

Which of these materials is a good conductor of electricity?

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Question 26

What happens to the resistance of a metallic conductor when its temperature increases?

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Question 27

A force of 10 N acts on a body of mass 2 kg. What is its acceleration?

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Question 28

Which form of energy is stored in a stretched spring?

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Question 29

What is the main cause of heat transfer by conduction?

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Question 30

Which wave property remains unchanged when a wave passes from one medium to another?

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Question 31

What is the magnetic field around a current-carrying conductor?

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Question 32

If the resistance in a circuit is doubled and the voltage remains constant, what happens to the current?

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Question 33

Which phenomenon explains the bending of waves around obstacles?

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Question 34

In the photoelectric effect, increasing the frequency of incident light results in:

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Question 35

What is the principle behind a transformer?

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Question 36

What does a micrometer screw gauge measure?

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Question 37

During melting, the temperature of a substance:

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Question 38

Which instrument is used to measure temperature?

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Question 39

If a body moves with constant velocity, what can be said about the net force acting on it?

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Question 40

What is the formula for kinetic energy of a moving object?

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Question 41

Which of the following best describes conduction?

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Question 42

A wave has a frequency of 50 Hz and a wavelength of 2 m. What is its speed?

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Question 43

What is the purpose of a transformer in an electrical circuit?

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Question 44

Which of the following materials is most likely to be ferromagnetic?

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Question 45

What is the relationship between mass and energy as described by Einstein's theory?

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Question 46

If the displacement of a wave is zero at a certain point, that point is called?

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Question 47

Which quantity is a scalar?

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Question 48

A force of 10 N moves an object 5 meters. How much work is done?

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Question 49

Which type of wave requires a medium to travel?

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Question 50

What is the principle behind the working of an electric motor?

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Question 51

What is the effect of a magnetic field on a moving charged particle?

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Question 52

What does the term “half-life” refer to in nuclear physics?

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Question 53

Which of the following is NOT a vector quantity?

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Question 54

What is the fundamental SI unit of electric current?

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Question 55

A body is moving with a constant velocity. What can be said about the net force acting on the body?

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Question 56

Which of the following is the correct formula for kinetic energy (KE) of a moving object?

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Question 57

If a thermometer shows a temperature of 373 K, what is the temperature in Celsius?

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Question 58

A wave has a frequency of 50 Hz and a wavelength of 4 m. What is its speed?

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Question 59

What device is used to measure electric potential difference?

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Question 60

An object of mass 2 kg is lifted to a height of 5 m. What is its potential energy relative to ground? (Take g=10 m/s²)

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Question 61

The time period of a simple pendulum depends on which of the following?

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Question 62

What happens to the resistance of a wire if its length is doubled and its cross-sectional area is halved?

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Question 63

Which law states that the induced electromotive force in a closed circuit is proportional to the rate of change of magnetic flux through the circuit?

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Question 64

Which radiation has the highest penetrating power?

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Question 65

A gas expands from 2 m³ to 6 m³ at constant pressure of 200 N/m². What is the work done by the gas?

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Question 66

What is the frequency of a wave with period 0.02 seconds?

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Question 67

In an electric circuit, what happens to the current if the resistance is doubled while voltage remains constant?

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Question 68

Which phenomenon demonstrates the wave nature of light?

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Question 69

Which of the following is true about the magnetic field near a long straight current-carrying conductor?

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Question 70

What is the effect on the wavelength of a sound wave if its frequency is doubled while its speed remains constant?

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Question 71

The binding energy per nucleon generally increases with nucleon number up to which element, indicating maximum stability?

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Question 72

What is the SI base unit of length?

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Question 73

A car accelerates uniformly from rest to 20 m/s in 5 seconds. What is its acceleration?

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Question 74

What is the temperature at which water boils under standard atmospheric pressure?

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Question 75

Which type of wave requires a medium to propagate?

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Question 76

What is the resistance of a conductor if a current of 2 A flows through it when a voltage of 10 V is applied?

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Question 77

What causes magnetism in a ferromagnetic material?

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Question 78

Which particle is emitted during beta decay?

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Question 79

A pendulum completes 20 oscillations in 40 seconds. What is the frequency of the pendulum?

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Question 80

What is the work done when a force of 10 N moves an object 3 meters in the direction of the force?

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Question 81

If the specific heat capacity of a material is high, what does it imply?

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Question 82

Which law explains the relationship between the current flowing through a conductor and the potential difference across it?

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Question 83

What is the principle behind the working of a transformer?

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Question 84

What is the de Broglie wavelength associated with a particle?

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Question 85

A block of mass 2 kg is sliding down a frictionless inclined plane of height 5 m. What is the speed of the block at the bottom of the incline? (Assume g = 10 m/s²)

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