LIGHT MCQs 9 min Score: 0 Attempted: 0/9 Subscribe 1. . The velocity of light is: (A) 3 × 10⁸ m/s (B) 330 km/s (C) 330 m/s (D) 3 × 10⁵ m/sShow All Answers 2. . Light waves are: (A) Mechanical waves (B) Longitudinal waves (C) Electromagnetic waves (D) Matter wavesShow All Answers 3. . Visible light has a wavelength in the range of: (A) 400 nm (B) 400 nm to 700 nm (C) 700 nm (D) 700 nm to 1000 nmShow All Answers 4. . Wave theory of light was proposed by: (A) Newton (B) Huygens (C) Maxwell (D) EinsteinShow All Answers 5. . The turning back of a part of light from the boundary of a medium is called: (A) Refraction (B) Rarefaction (C) Polarization (D) ReflectionShow All Answers 6. . The bending of light when it enters from one medium to the other is called: (A) Reflection (B) Refraction (C) Dispersion (D) DiffractionShow All Answers 7. . The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant for all angles of incidence. This law is known as: (A) Snell’s law (B) Hook’s law (C) Lenz’s law (D) Law of reflectionShow All Answers 8. . Newton stated in his Hypothesis of light that light was composed of: (A) Particle nature (B) Wave nature (C) Particle and wave nature (D) NoneShow All Answers 9. . Corpuscular theory of light was propounded by: (A) Newton (B) Huygens (C) Einstein (D) MaxwellShow All Answers