Question 171
What pressure is exerted by a column of water 2 m high? (Density of water = 1000 kg/m³, g = 10 m/s²)Pressure and fluidsPressure and fluidsmedium
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Question 172
Which of the following correctly describes conduction?Thermal properties of matterThermal properties of mattereasy
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Question 173
What is the main source of energy in nuclear fission reactions?Nuclear physicsNuclear physicshard
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Question 174
A stone is thrown horizontally from the top of a cliff. Which path does it follow?Motion (2D)Projectile motionmedium
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Question 175
Which law states that the rate of change of momentum of a body is directly proportional to the applied force and takes place in the direction of the force?Forces and Newton's lawsNewton's lawsmedium
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Question 176
The energy stored in a stretched spring is called:Work, energy, powerEnergyeasy
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Question 177
A body executes simple harmonic motion with frequency f. What is the relation between the period T and frequency f?Simple harmonic motionSHM basicseasy
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Question 178
In a uniform circular motion, the acceleration vector points:Circular motionUniform circular motionmedium
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Question 179
Which property of a wave is related to its loudness in sound waves?Waves and oscillationsWave propertieseasy
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Question 180
In optics, what causes the bending of light when it passes from one medium to another?Light, OpticsRefractionmedium
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