General Knowledge

Physics - Section 3

1.  Which of the following is a vector?

A. Heat
B. Time
C. Work
D. Angular momentum
2.  The reflectors of compound telescopes use:

A. Combination of lenses and mirrors
B. Mirrors
C. Lenses
D. None
3.  Rolling friction is caused by:

A. Buoyancy
B. Non-elastic effects
C. Gravity
D. Power dissipation
4.  Ballistics is the science of mechanics that deals with:

A. Effects of projectiles
B. Study of rotation
C. Study of gravity
D. Effects of buoyancy
5.  Which of the following exhibit electroluminescence?

A. Bipolar transistor
B. Optical fiber
C. Light-emitting diode
D. PIN diode
6.  A solar eclipse is a type of eclipse that occurs when:

A. the Moon passes between the Sun and Earth
B. the Earth is between the Moon and the Sun
C. the Sun is between the Moon and the Earth
D. the moon does not lie on the line joining the sun and the earth
7.  In radiocarbon dating the age of an object containing organic material is determined by using the properties of:

A. Carbon-6
B. Carbon-12
C. Carbon-14
D. Carbon-13
8.  Speeds greater than five times the speed of sound (Mach 5) are often referred to as:
A. supersonic
B. transonic
C. ultrasonic
D. hypersonic
9.  Who won the 1930 Nobel Prize for Physics?

A. Madam Curie
B. Chandrasekhara Venkata Raman
C. Homi J Bhaba
D. Vikram Sarabhai
10.  Spontaneous radioactivity was discovered by:

A. Enrico Fermi
B. Henri Becquerel
C. Marie Curie
D. Ernest Rutherford