If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly lower his hands, then
Options
(a) The angular velocity decreases (b) His moment of inertia decreases (c) The angular velocity […]
The logic behind NOR gate is that it gives
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(a) high output when one input is low and other is high (b) high output when both inputs are low (c) high output […]
A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards with acceleration g/4, then the new time period will be
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(a) 2T / √5 (b) √5T […]
A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two lenses in normal adjustment will be
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(a) 96 cm (b) 98 cm […]
A magnetic field of 1600 A/m produces a magnetic flux of 2.4 x 10⁻⁵ Wb in an iron bar of cross-sectional area 0.2 cm². The susceptibility of the iron bar is
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(a) […]
First organism to evolve on the earth were
Options
(a) saprotrophs (b) photoautotrophs (c) chemoautotrophs (d) chemoheterotrophs
Correct Answer:
chemoheterotrophs
Explanation:
No explanation available. Be the first to write the explanation for this […]
Most reared silkworm in India is
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(a) Bombyx mori (b) Antheraea paphia (c) Antheraea roylei (d) Antheraea assama
Correct Answer:
Bombyx mori
Explanation:
No explanation available. Be the first to write the […]
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