1. Density of matter is defined as
A. mass / volume
B. mass × volume
C. volume / mass
D. none of these
2. The resultant upthrust on a body partly immersed in liquid acts through
A. the centre of gravity
B. the metacentre
C. the centre of pressure
D. none of these
3. A transverse wave travels along z-axis. The particles of the medium travels along
A. z-axis
B. x-axis
C. y-axis
D. in x-y plane
4. Joule-Thomson cooling is
A. temperature dependent
B. temperature independent
C. dependent on the molecular weight of the gas
D. dependent on the total mass of the gas
5. The principle of action of points is used in
A. capacitors
B. inductors
C. resistors
D. lightning arrestors
6. A jet engine works under the principle of
A. mass
B. energy
C. linear momentum
D. angular momentum
7. To find the temperature of the sun, the following law is used:
A. Charles’ law
B. Stefan’s fourth power law of radiation
C. Boyle’s law
D. Kirchhoff’s law
8. Calotropis is an example of the following phyllotaxy:
A. opposite and decussate
B. spiral
C. whorled
D. alternate
9. Radio carbon dating is used to
A. find diseases
B. find the age of relics
C. find the carbon content in the atmosphere
D. none of these
10. Frequency modulation is more advantageous than amplitude modulation because
A. there will be no distortion
B. distortion will be maximum
C. no internal noises produced
D. internal noises can be filtered
11. X-rays travel with the velocity of
A. light
B. sound
C. positive rays
D. alpha rays
A. mass / volume
B. mass × volume
C. volume / mass
D. none of these
2. The resultant upthrust on a body partly immersed in liquid acts through
A. the centre of gravity
B. the metacentre
C. the centre of pressure
D. none of these
3. A transverse wave travels along z-axis. The particles of the medium travels along
A. z-axis
B. x-axis
C. y-axis
D. in x-y plane
4. Joule-Thomson cooling is
A. temperature dependent
B. temperature independent
C. dependent on the molecular weight of the gas
D. dependent on the total mass of the gas
5. The principle of action of points is used in
A. capacitors
B. inductors
C. resistors
D. lightning arrestors
6. A jet engine works under the principle of
A. mass
B. energy
C. linear momentum
D. angular momentum
7. To find the temperature of the sun, the following law is used:
A. Charles’ law
B. Stefan’s fourth power law of radiation
C. Boyle’s law
D. Kirchhoff’s law
8. Calotropis is an example of the following phyllotaxy:
A. opposite and decussate
B. spiral
C. whorled
D. alternate
9. Radio carbon dating is used to
A. find diseases
B. find the age of relics
C. find the carbon content in the atmosphere
D. none of these
10. Frequency modulation is more advantageous than amplitude modulation because
A. there will be no distortion
B. distortion will be maximum
C. no internal noises produced
D. internal noises can be filtered
11. X-rays travel with the velocity of
A. light
B. sound
C. positive rays
D. alpha rays
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