The acceleration caused by gravity per second is:
- (A) 15 feet
- (B) 22 feet
- (C) 32 feet
- (D) 44 feet
- (C) 32 feet
What is the acceleration due to gravity on the moon?
- (A) 1.53 ms−2
- (B) 1.63 ms−2
- (C) 1.73 ms−2
- (D) 1.83 ms−2
- (B) 1.63 ms−2
The acceleration due to gravity on the moon is:
- (A) [1/6]th that of the earth
- (B) Same that of the earth
- (C) [1/5]th that of the earth
- (D) [1/4]th that of the earth
- (A) [1/6]th that of the earth
“Lambert’s Law” is related to:
- (A) Reflection
- (B) Refraction
- (C) Interference
- (D) Illumination
- (D) Illumination
Einstein’s mass energy relation is given by which expression?
- (A) E=mc
- (B) E = mc²
- (C) E=pc
- (D) E=mv
- (B) E = mc²
The amount of matter in an object is called:
- (A) Mass
- (B) Space
- (C) Volume
- (D) Density
- (A) Mass
Who said, “A body will remain at rest unless an external force acts on the body acts on the body”?
- (A) Newton
- (B) Galileo
- (C) Einstein
- (D) Archimedes
- (A) Newton
Diode is used for _______.
- (A) Amplification
- (B) Oscillation
- (C) Rectification
- (D) Modulation
- (C) Rectification
A woman’s voice is shriller than a man’s due to:
- (A) Lower frequency
- (B) Higher frequency
- (C) Higher amplitude
- (D) Weak local chords
- (B) Higher frequency
The approximate intensity level of the sound which can cause damage to the eardrum is:
- (A) 60 dB
- (B) 80 dB
- (C) 100 dB
- (D) 160 dB
- (C) 100 dB