A body is under stress F and has Young’s modulus Y, then the energy stored per unit volume equals to
Options
(a) F²/2Y (b) Y/2F² (c) 2Y/F² (d) 2F²/Y
Correct Answer:
F²/2Y
Explanation:
Energy […]
If a spring of spring constant k stretched by a length x under tension T, the energy stored is
Options
(a) 2k/T² (b) 2T²/k (c) T²/2k (d) 2T/k²
Correct Answer:
T²/2k
Explanation:
Energy stored […]
If h is the height of the capillary rise and r be the radius of capillary tube, then which of the following relation will be correct?
Options
(a) hr=constant (b) h/r²=constant (c) hr²=constant (d) […]
ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall of temperature from 60⁰C to 40⁰C. In what time the temperature of the body will fall from 40⁰C to 28⁰C? […]
6.4 g SO₂ at 0⁰C and 0.99 atm pressure occupies a volume of 2.24 L. Predict which of the following is correct
Options
(a) the gas is ideal (b) the gas is real […]
End product of glycolysis is
Options
(a) acetyl CoA (b) Pyruvic acid (c) Glucose 1- phosphate (d) Fructose 1-phosphate
Correct Answer:
Pyruvic acid
Explanation:
No explanation available. Be the first to write the […]
One mole of glucose on metabolism liberate how many kilo calories of energy?
Options
(a) 180 (b) 80 (c) 160 (d) 380
Correct Answer:
380
Explanation:
One mole of glucose yields about 686,000 calories […]
What is the number of chromosomes in aleurone layer if 10 numebr of chromosomes are found in megaspore mother cell?
Options
(a) 10 (b) 20 (c) 15 (d) None of these
Correct Answer: […]
An electron moving in a uniform magnetic field of induction of intensity B, has its radius directly proportional to
Options
(a) its charge (b) magnetic field (c) speed (d) none of these
Correct […]
Curie is the unit of
Options
(a) half life period (b) decay constant (c) radioactivity (d) nuclear force
Correct Answer:
radioactivity
Explanation:
No explanation available. Be the first to write the explanation for […]
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