Question 41
Which of the following describes conduction as a mode of heat transfer?HeatThermal Physicsmedium
Select one option to submit your answer.
NECTA Physics – Tanzania
AI-generated exam-style practice tailored for Tanzania students.
Practice mode
Answer immediately. If you miss, we show exactly why your selected option is wrong.
Progress: 0/10 correct (0 answered)
Question 42
What is the wavelength of a wave if its frequency is 500 Hz and the speed of the wave is 340 m/s?WavesWave Properties and Behaviormedium
Select one option to submit your answer.
Question 43
Which law states that the magnetic force on a moving charge is proportional to the charge, velocity, and magnetic field?MagnetismMagnetic Effects of Electric Currenthard
Select one option to submit your answer.
Question 44
What happens to the resistance of a metallic conductor as its temperature increases?ElectricityElectric Circuits and Resistivitymedium
Select one option to submit your answer.
Question 45
In the photoelectric effect, increasing the frequency of incident light beyond the threshold frequency results in:Modern physicsPhotoelectric Effecthard
Select one option to submit your answer.
Question 46
Which physical quantity is conserved in an elastic collision?MechanicsCollisions and Momentummedium
Select one option to submit your answer.
Question 47
Which instrument is used to measure the resistance of a conductor?ElectricityElectricityeasy
Select one option to submit your answer.
Question 48
If a body of mass 5 kg is moving with velocity 2 m/s, what is its kinetic energy?EnergyEnergyeasy
Select one option to submit your answer.
Question 49
Which of the following best describes the relationship between frequency and wavelength of a wave?WavesWavesmedium
Select one option to submit your answer.
Question 50
What is the physical quantity measured by a spring balance?MeasurementsMeasurementseasy
Select one option to submit your answer.