Physics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Physics, a fundamental topic in the field of General Knowledge. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Physics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Physics mcq questions that explore various aspects of Physics problems. Each MCQ is crafted to challenge your understanding of Physics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace General Knowledge tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Physics MCQs are your pathway to success in mastering this essential General Knowledge topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Physics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Physics knowledge to the test? Let's get started with our carefully curated MCQs!

Physics MCQs | Page 5 of 70

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Q41.
oil raise up the wick in a lamp. The principle involves

a.

the diffusion of oil through the wick

b.

the liquid state of oil

c.

capillary action phenomenon

d.

volatility of oil

Discuss
Answer: (c).capillary action phenomenon
Q42.
Superconductors are substances which

a.

conduct electricity at low temperature

b.

offer high resistance to the flow of current

c.

offer no resistance to the flow of electricity

d.

conduct electricity at high temperatures

Discuss
Answer: (c).offer no resistance to the flow of electricity
Q43.
Light travels at the fastest speed in

a.

glass

b.

water

c.

hydrogen

d.

vacuum

Discuss
Answer: (d).vacuum
Q44.
Railway tracks are banked on curves

a.

necessary centrifugal force may be obtained from the horizontal component weight of the train

b.

to avoid frictional force between the tracks and wheels

c.

necessary centripetal force may be obtained from the horizontal component of the weight of the train

d.

the train may not fly off in the opposite direction

Discuss
Answer: (c).necessary centripetal force may be obtained from the horizontal component of the weight of the train
Q45.
On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

a.

metals have higher thermal capacity than plastics

b.

plastics have a lower density than metals

c.

metals are good conductor of heat

d.

plastics have a higher thermal conductivity than metals

Discuss
Answer: (c).metals are good conductor of heat
Q46.
Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

a.

1.8 km, 0.15 km

b.

2.2 km, 0.20 km

c.

2.8 km, 0.25 km

d.

3.3 km, 0.30 km

Discuss
Answer: (d).3.3 km, 0.30 km
Q47.
Intensity of sound at a point is ____ its distance from the source.

a.

directly proportional to

b.

inversely proportional to

c.

directly proportional to square of

d.

inversely proportional to square of

Discuss
Answer: (d).inversely proportional to square of
Q48.
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

a.

at sea level

b.

at the top of Mt. Everest

c.

at a place in a valley below sea level

d.

in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level

Discuss
Answer: (c).at a place in a valley below sea level
Q49.
Radio telescopes are better than optical telescopes because

a.

they can detect faint galaxies which no optical telescope can

b.

they can work even in cloudy conditions

c.

they can work during the day and night

d.

All of the above

Discuss
Answer: (d).All of the above
Q50.
Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

a.

X-rays

b.

ultraviolet light

c.

visible light

d.

radio waves

Discuss
Answer: (c).visible light
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