Options:
- A. 4:06
- B. 4:09
- C. 2:09
- D. 4.3
View Answer
B. 4:09
Physics
The density of human blood is nearly equal to____________?
Options:
- A. Water
- B. Honey
- C. Mercury
- D. Oil (kerosene)
View Answer
A. Water
The SI unit of force constant is identical with that of__________________?
Options:
- A. Force
- B. Pressure
- C. Surface tension
- D. Loudness
View Answer
C. Surface tension
In damped harmonic oscillation which one decreases ?
Options:
- A. Amplitude of vibration
- B. Energy of vibration
- C. Both amplitude and energy
- D. Neither amplitude nor energy
View Answer
C. Both amplitude and energy
During an encounter with an atom alpha particle knocks out ______________?
Options:
- A. Protons
- B. Electrons
- C. Neutrons
- D. Nothing
View Answer
B. Electrons
Which one of the following possesses greater penetration power ?
Options:
- A. ?-rays
- B. ?-rays
- C. ?-rays
- D. Neutron-rays
View Answer
D. Neutron-rays
How many types of units are in SI ?
Options:
- A. 1
- B. 2
- C. 3
- D. 4
View Answer
C. 3
Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?
Options:
- A. Only (i)
- B. Only (ii)
- C. Only (iii)
- D. Both (i) and (ii)
View Answer
C. Only (iii)
The number of significant figures in 5.400 is________________?
Options:
- A. 3
- B. 5
- C. 2
- D. None
View Answer
D. None
The relation between linear and angular acceleration is______________?
Options:
- A. a = a x r
- B. a = r x a
- C. a = a x r
- D. r = a x a
View Answer
C. a = a x r