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Refraction of Light Quiz Refraction of Light Quiz 1. What phenomenon occurs when light passes from one medium to another? A) Reflection B) Refraction C) Dispersion D) Diffraction 2. What is the refractive index of a medium? A) The ratio of the speed of light in vacuum to the speed of light in the medium B) The angle of incidence C) The speed of sound in the medium D) The density of the medium 3. When light travels from air to water, what happens to its speed? A) It increases B) It decreases C) It remains constant D) It doubles 4. What is total internal reflection? A) Light is completely absorbed by the medium ...

Refraction of Light Quiz Refraction of Light Quiz 1. What phenomenon occurs when light passes from one medium to another? A) Reflection B) Refraction C) Dispersion D) Diffraction 2. What is the refractive index of a medium? A) The ratio of the speed of light in vacuum to the speed of light in the medium B) The angle of incidence C) The speed of sound in the medium D) The density of the medium 3. When light travels from air to water, what happens to its speed? A) It increases B) It decreases C) It remains constant D) It doubles 4. What is total internal reflection? A) Light is completely absorbed by the medium B) Light is reflected back into the...

Refraction of Light Quiz Refraction of Light & Its Applications 1. What is the cause of refraction? Change in speed of light Change in frequency of light Change in direction of light Scattering of light 2. What is the refractive index of vacuum? 1 0 More than 1 Less than 1 3. A fish appears closer to the surface than it really is. This is due to: Reflection of light Refraction of light Diffraction of light Scattering of light 4. Which law is followed during refraction? Newton’s Laws Ohm’s Law Snell’s Law Kepler’s Law 5. A pencil appears bent i...

Class 10 Physics Quiz Turning Forces, Moment of Force, Center of Gravity 1. The moment of force depends on: Force applied only Force and perpendicular distance from the axis Mass of the object 2. SI unit of moment of force? Newton Joule Newton meter Uniform Circular Motion 3. A body moving in uniform circular motion has: Constant velocity Constant speed but changing velocity Increasing speed 4. The force responsible for uniform circular motion is called: Gravitational force Frictional force Centr...