debasisanswer.blogspot.com
Q: The phenomenon of Brownian movement may be taken as evidence of
O: (a) kinetic theory of matter
(b) EMT of radiation
(c) corpuscular theory of light(d) photoelectric phenomenon
Ans. (a) kinetic theory of matter
Q: One liter of ideal gas at 27? is heated at a constant pressure to 297?. Then, the final volume is approximately
O: (a) 1.2 L
(b) 1.2 L
(c) 19 L
(d) 2.4 L
Ans. (b) 1.2 L
Q: Temperature remaining constant, the pressure of gas is decreased by 20%. The percentage change in volume
O: (a) increases by 20%
(b) decreases by 20%
(c) increases by 25%
(d) decreases by 25%
Ans. (c) increases by 25%
Q: At what temperature will be the oxygen molecules have the same root mean square speed as hydrogen molecules at 300 K ?
O: (a) 1600 K
(b) 4800 K
(c) 3200 K
(d) 2400 K
Ans. (b) 4800 K
Q: 10 mol of an ideal monoatomic gas at 10? is mixed with 20 mol of another monoatomic gas at 20 degree. Then, the temperature of the mixture is
O: (a) 16.6 degree
(b) 15 degree
(c) 16 degree
(d) 15.5 degree
Ans. (a) 16.6 degree
No comments:
Post a Comment