In a pure capacitive A.C circuit, current and voltage differ in phase by
Options
(a) 0° (b) 45° (c) 90° (d) 180°
Correct Answer:
90°
Explanation:
No explanation available. Be the first to […]
If the unit of force and length are doubled, then unit of energy will be
Options
(a) same (b) 2 times (c) 4 times (d) 8 times
Correct Answer:
4 times
Explanation:
No […]
If 75% of the radioactive reaction is completed in 2 hrs, what would be the half life period?
Options
(a) 1 hour (b) 1.5 hour (c) 2 hour (d) 3 hour
Correct Answer: […]
A neutron moving with velocity v collides with a stationary particle. The velocity of the neutron after the collision is
Options
(a) -3v/5 (b) 3v/5 (c) 2v/5 (d) -2v/5
Correct Answer:
-3v/5
Explanation: […]
A body of mass m is orbiting the earth at a radius r from the center of earth. Another body of mass 2m is orbiting at a radius 2r. What is the ratio of their […]
Two bodies of mass 0.25 kg each moving towards each other with velocity 3 m/s and 1 m/s respectively. After collision they stick together. The velocity of the combination will be
Options
(a) […]
If increase in temperature and volume of an ideal gas is two times, then the initial pressure P changes to
Options
(a) 4P (b) 2P (c) P (d) 3P
Correct Answer:
P
Explanation: […]
The common biosynthetic inhibitor of gibberellic acid is
Options
(a) rosic acid (b) jasmonic acid (c) citric acid (d) lactic acid
Correct Answer:
jasmonic acid
Explanation:
No explanation available. Be the first to […]
Yellow colour of faeces is due to
Options
(a) bile secretion (b) green colour of bile juice (c) degradation product of haemoglobin (d) excessive diet of turmeric
Correct Answer:
degradation product of haemoglobin
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