Physics MCQs (Chapterwise Multiple Choice Questions)

What is the approximate value of maximum forward voltage for the visible-light LED?

0.9 v

1.2 v

1.8 v

2.3 v

Answer & Explanation

Correct Answer: 1.8 v

Note: This Question is unanswered, help us to find answer for this one

When we say charge is conserved, we mainly mean that charge can be _________.

Transferred without loss like money in a bank.

Neutron

Mutually repelled toward its corners

Electric field and gravitational field

Answer & Explanation

Correct Answer: Transferred without loss like money in a bank.

Note: This Question is unanswered, help us to find answer for this one

The angular size of the smallest features that a telescope can see is called the angular ________.

Resolution

Interferometry

Focus

Radio waves

Answer & Explanation

Correct Answer: Resolution

Note: This Question is unanswered, help us to find answer for this one

Lisa is sitting in a parked car. She noticed Ryan approaching towards the car in the side view mirror of R = 2m. How fast the image of Ryan appears to move when he is 39m away? Note: It is given that Ryan is moving at a speed of 5 m/s.

1/280 m/s

1/140 mls

1/400 m/s

1/300 m/s

Answer & Explanation

Correct Answer: 1/280 m/s

Note: This Question is unanswered, help us to find answer for this one

In accordance with the classical electromagnetic theory, what is the approximate initial frequency of the light emitted by the electron revolving around a proton in hydrogen atom?

8.2 x 1015 Hz

5.8 x 1013 Hz.

7.4 x 1018 Hz.

6.6 x1015 Hz.

Answer & Explanation

Correct Answer: 6.6 x1015 Hz.

Note: This Question is unanswered, help us to find answer for this one

What is the correct wavelength range of the visible light?

2000 A — 6000 A

4000 A - 8000 A

3000 A - 12000 A

5000 A - 10000 A

Answer & Explanation

Correct Answer: 4000 A - 8000 A

Note: This Question is unanswered, help us to find answer for this one

Which of the following options could be the lowest temperature of mesosphere?

-120° C

-170° C

-90° C

-80° C

Answer & Explanation

Correct Answer: -120° C

Note: This Question is unanswered, help us to find answer for this one

Fast-moving currents of air that occur above the friction layer are called _____.

Wind trains

Mesocycles

Chinooks

Jet streams

Answer & Explanation

Correct Answer: Jet streams

Note: This Question is unanswered, help us to find answer for this one

If the mass of a vehicle is 1800 kg, then what is the work required to be done for increasing the velocity of the vehicle from 60 km/h to 120 km/h?

832600 J

749700 J

128840 J

116260 J

Answer & Explanation

Correct Answer: 749700 J

Note: This Question is unanswered, help us to find answer for this one

_____ is the property of increasing pitch that accompanies increases in the tones frequency.

Tone height

Tone chroma

Tone octave

Equal tonality

Answer & Explanation

Correct Answer: Tone height

Note: This Question is unanswered, help us to find answer for this one

Physics Quick Quiz

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Start Practicing with our MCQs given below.

MCQ on Acoustics	MCQ on Electric Potential
MCQ on Electromagnetism	MCQ on Fluid Dynamics
MCQ on General Physics	MCQ on Matter and Energy
MCQ on Mechanics	MCQ on Optical Physics
MCQ on Particle Physics	MCQ on Wave and Light
General Physics MCQs