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1472131. A body is acted upon by two unequal forces in opposite directions, but not in one line. The effect is that the body will have
A
neither the rotational nor the translational motion.B
rotational as well as translational motionC
only rotational motion.D
only translational motion.Correct Answer: B. rotational as well as translational motion
1482132. If a pendulum clock be taken from the equator to the poles, it will
A
Given the same timeB
stop altogetherC
Run slowD
Run fast.Correct Answer: D. Run fast.
2549133. The power of a lens “——-“
A
dioptreB
aeonC
lumenD
candelaCorrect Answer: A. dioptre
1594134. The motion of which particle through a metallic wire is called electric current?
A
Neutron
B
Photon
C
Electron
D
PositronCorrect Answer: C. Electron
1459135. In simple harmonic motion the kinetic energy
A
Is zero in the mean positionB
Is always constantC
Is never zeroD
Becomes zero twice in every period.Correct Answer: D. Becomes zero twice in every period.
1550136. Which among the following is paramagnetic?
A
CO2
B
SO2
C
H2O
D
NOCorrect Answer: D. NO
1584137. 10 gm. of ice at 0°C is mixed with 10 gm. of water at 0°C. The temperature of the mixture will be
A
10°C
B
0°C
C
1°C
D
5°CCorrect Answer: B. 0°C
1467138. The minimum distance between an object and its real image in a convex lens is
A
Equal to 2fB
Equal to 4fC
More than 4fD
Less than 4f.Correct Answer: A. Equal to 2f
1606139. Graphite is used in a nuclear reactor
A
For lining inside the reactor as an insulator.
B
For reducing the velocity of the neutron.
C
As a lubricant.
D
As a fuelCorrect Answer: B. For reducing the velocity of the neutron.
1533140. When a positively charged conductor is earthed, then
A
Electrons flow from the earth to the conductor
B
Protons flow from the earth to the conductor
C
Electrons flow from the conductor to the earth
D
Protons flow from the conductor to the earthCorrect Answer: A. Electrons flow from the earth to the conductor
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