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Class 10 Physics Light mcq. We covered all the Class 10 Physics Light mcq in this post for free so that you can practice well for the exam.
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Class 10 Physics Light mcq for Students
Which theory of Light successfully explained interference, Diffraction, and polarisation?
a. Newton’s theory
b. Huygens’ theory
c. Revised Huygens’ theory
d. Planck’s theory
Option c – Revised Huygens’ theory
Newton’s theory proposed that the speed of Light is
a. Higher in rarer medium
b. Higher in denser medium
c. The same in all media
d. None of the above
Option b – Higher in denser medium
The phenomenon that confirms the transverse nature of Light is
a. Interference
b. Refraction
c. Diffraction
d. Polarisation
Option d – Polarisation
The concept that Light travels as particles is supported by
a. Huygens’ wave theory
b. Maxwell’s theory
c. Newton’s corpuscular theory
d. Quantum theory
Option c – Newton’s corpuscular theory
The theory that considers Light to move as waves from its source is
a. Newton’s particle theory
b. Huygens’ wave theory
c. Quantum mechanical theory
d. Maxwell’s electromagnetic theory
Option b – Huygens’ wave theory
According to Huygens’ view, Light propagates as
a. A stream of particles
c. Both waves and particles
d. None of the above
In Newton’s model, reflection and refraction occur due to
a. Forces of repulsion and attraction by the medium on corpuscles
b. Creation of wavefronts
c. Both A and B
d. None of these
Option a – Forces of repulsion and attraction by the medium on corpuscles
Huygens explained reflection and refraction using the idea of
a. Forces acting on particles
b. Formation of secondary wavelets
c. Both concepts together
d. None of the above
Option b – Formation of secondary wavelets
Newton’s theory failed to explain which Light-related phenomena?
a. Polarisation
b. Interference
c. Diffraction
d. All of the above
Option d – All of the above
Both Newton’s and Huygens’ theories could explain
a. Interference
b. Reflection
c. Refraction
d. b and c
Option d – b and c
Huygens believed that light required a medium called
a. Water
b. Glass
c. Air
d. Ether
Option d – Ether
The first scientific explanation of the Nature of Light was provided by
a. Huygens
b. Newton
c. Maxwell
d. Planck
Option b – Newton
Newton described light as made up of
a. Small, light, and elastic particles
b. Large, heavy, and elastic particles
c. Fine, light, and non-elastic particles
d. Large, heavy, and inelastic particles
Option a – Small, light, and elastic particles
The earliest theory attempting to describe the Nature of Light was
a. Newton’s particle theory
b. Huygens’ wave theory
c. Maxwell’s electromagnetic theory
d. Quantum theory
Option a – Newton’s particle theory
The modern theory of light considers it to have
a. Only particle properties
b. Only wave properties
c. Both wave and particle properties
d. Either wave or particle properties
Option c – Both wave and particle properties
Light is considered to consist of energy packets called photons under which theory?
a. Newton’s particle model
b. Huygens’ wave theory
c. Quantum theory
d. Maxwell’s theory
Option c – Quantum theory
What name is given to the energy packets of light?
a. Particles
b. Photons
c. Waves
d. None of these
Option b – Photons
In Newton’s theory, differences in colour are explained by
a. Identical sizes of light particles
b. Varying sizes of particles
c. Different speeds of light in dispersive materials
d. None of the above
Option b – Varying sizes of particles
The straight-line travel of light is accounted for in particle theory by
a. Linear movement of particles
b. Their oscillatory motion
c. Their spinning motion
d. Variation in particle sizes
Option a – Linear movement of particles
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