PHY101 Final Term Past Papers by VU Topper RM

PHY101 Mcq's Final Term By Vu Topper RM-1

Bs Physics (Virtual University of Pakistan)

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PHY101 Mcq's Final Term By Vu Topper RM-1

Bs Physics (Virtual University of Pakistan)

Scan to open on Studocu

Studocu is not sponsored or endorsed by any college or university

Q1. Vu-Topper RM (1 marks)

The image produced by a convex mirror of an erect object in front of the mirror is always: A. Real, erect, and larger than the object B. Real, erect, and smaller than the object C. Virtual, erect, and larger than the object

D. Virtual, erect, and smaller than the object

Q2. Vu-Topper RM (1 marks)

In some movies, you sometimes see an actor looking in a mirror and you can see his face in the mirror. During the filming of this scene, what does the actor see in the mirror?

1. His face
2. Your face
3. The director's face
4. The movie camera

Correct answer: The movie camera

Q3. Vu-Topper RM (1 marks)

A femtometer is: A. 10-9 m B. 10-12 m

C. 10-15 m

D. 10-18 m

Q4. Vu-Topper RM (1 marks)

The "strength" of a lens is measured in _________. A. Meters B. Diopters C. Provatans

D. Lense meter

Q5. Vu-Topper RM (1 marks)

When an object (iron/tungsten) is heated, it emits light. It emits infrared (IR) light when it is heated at a temperature __________.

A. Below 800 degree C

B. Above 2500 degree C C. Between 800 degree C to 1600 degree C D. Between 1600 degree C to 2500 degree C

Q6. Vu-Topper RM (1 marks)

The reason there are two slits, rather than one, in a Young’s experiment is: A. To increase the intensity B. To create a path length difference C. One slit is for frequency, the other for wavelength

D. One slit is for Electric fields , the other is for Magnetic fields

Q7. Vu-Topper RM (1 marks)

An electron is moving at 0.6c. If we calculate its kinetic energy using (1/2) mv2, we get a result that is: A. Just right B. Just half enough

C. About 28% too low

D. Twice the correct value

Q8. Vu-Topper RM (1 marks)

The theoretical upper limit for the frequency of electromagnetic waves is:

A. There is no upper limit

B. Both C. None of these D. Just slightly greater than that of red light