1. Which of the following measurements is not a unit of distance?
Ammeter
Cubit
Parsec
angstrom
2. Which one of the following remains constant while throwing a ball upward?
Displacement
Kinectic energy
Acceleration
Velocity
3. Pure water freezes at what temperature?
47 F
32 F
0 F
19 F
4. Recoil of a gun is an example of ?
Conservation of mass
conservation of energy
conversion of PE into KE
conservation of linear momentum
5. Which one of the following common devices works on the basis of the principle of mutual induction?
Tubelight
Transformer
Photo diode
Led
6. DC current can be controlled by which one of the following components?
Impedance
Resistance
Capacitance
Inductance
7. If the distance between two masses is increased by a factor of 2, the gravitational force of attraction between them will ?
reduce by a factor of 4
reduce by a factor of 2
remain Same
increase by a factor of 2
8. In a sitar wire which one of the following types of vibration is produced?
Progressive longitudinal
Stationary longitudinal
Progressive transverse
Stationary transverse
9. In which one among the following is the speed of sound maximum?
Air at 0 degree
Air at 100 degree
Water
Wood
10. Cryogenic engines find application in
Rocket technology
Frost free refrigerators
Sub-marine propulsion
researches in superconductivity
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