If you are looking for MCQ on Class 3 Science Light Sound and Force then you are at the right source.
What is the primary source of light on Earth?
a) Moon
b) Sun
c) Torch
d) Bulb
Answer: b) Sun
Which of the following is a non-luminous object?
a) Candle
b) Lamp
c) Moon
d) Torch
Answer: c) Moon
What is formed when an object blocks the path of light?
a) Reflection
b) Refraction
c) Shadow
d) Absorption
Answer: c) Shadow
When are the longest shadows typically observed?
a) Midday
b) Early morning and late evening
c) Nighttime
d) Afternoon
Answer: b) Early morning and late evening
Which celestial event occurs when the Moon blocks the light of the Sun?
a) Solar eclipse
b) Lunar eclipse
c) Full moon
d) New moon
Answer: a) Solar eclipse
What term is used to describe the rapid back and forth movement of any substance that produces sound?
a) Light
b) Force
c) Friction
d) Sound
Answer: d) Sound
Which sounds are considered loud and unpleasant?
a) Soft and pleasant
b) Musical
c) Unpleasant
d) Noisy
Answer: c) Unpleasant
What force slows down the movement when two surfaces rub against each other?
a) Gravity
b) Friction
c) Magnetism
d) Tension
Answer: b) Friction
What can damage our ears and is harmful to health?
a) Pleasant sounds
b) Unpleasant sounds
c) Soft sounds
d) Moderate sounds
Answer: b) Unpleasant sounds
What type of objects are candle, bulb, and diya?
a) Transparent objects
b) Luminous objects
c) Opaque objects
d) Reflective objects
Answer: b) Luminous objects
During which celestial event does the Earth block the light of the Sun?
a) Solar eclipse
b) Lunar eclipse
c) New moon
d) Full moon
Answer: b) Lunar eclipse
What is the force applied when opening a door by pushing?
a) Pushing force
b) Pulling force
c) Tension force
d) Frictional force
Answer: a) Pushing force
Which force can change the shape and direction of an object?
a) Gravity
b) Friction
c) Tension
d) Force
Answer: d) Force