DAE PHY 143 Chapter 8 MCQs

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DAE IN PRINTING & GRAPHIC ARTS TECHNOLOGY

Chapter:08 (Light)

Question 1:

The velocity of light is:

\(3 x {10^8} m/s\) \(330 km/s\) \(300 m/s\) \(3 x {10^5} m/s\)

Question 2:

Light waves are:

Mechanical waves Longitudinal waves Electromagnetic waves Matter waves

Question 3:

Visible light having a wave length in the range of:

400nm 400nm to 700 nm 700nm 700 nm to 1000 nm

Question 4:

Wave theory of light was proposed by:

Newton Huygens Maxwell Einstein

Question 5:

The turning back of a part of light from the boundary of a medium is called:

Refraction Rarefaction Polarization Reflection

Question 6:

The bending of light when it enters from one medium to the other is called:

Reflection Refraction Dispersion Diffraction

Question 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:

Snell’s law Hook’s law Lenz’s law Law of reflection

Question 8:

Newton stated in his Hypothesis of light that light was composed of:

Particle nature Wave nature Particle and wave nature None

Question 9:

Corpuscular theory of light was propounded by:

Newton Huygens Einstein Maxwell

NOTE
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INSTRUCTOR
MUHAMMAD BIN JAMEEL
BSC ENGG. CIVIL