Physics
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Jul 7, 2022
(a) Proportional to √T         (b) Proportional to T2 (c)  Proportional to T3  ...
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Jul 7, 2022
24×105 dyne/cm2 , the volume of O2 is 10 litre and mass is 20 gm. The m.s. velocity will be...
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Jul 7, 2022
(a) – 123°C                                    (b) 123°C (c)  – 100°C             ...
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Jul 7, 2022
(a) m (b) m/2 (c)Â m/4 (d) m/8 Answer-c
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Jul 7, 2022
(a)Â T2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ...
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Jul 7, 2022
(a) P1/(T1d1)=P2/(T2d2)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b) (P1T1)/d1=(P2T2)/d2 (c)Â (P1d2)/T1=(P2d1)/T2Â ...
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Jul 7, 2022
(a)Â PVÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ...
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Jul 7, 2022
(a) n/v                   ...
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Jul 7, 2022
(a) Increase in pressure               (b) Increases in volume (c)  Both (a) and (b)       ...
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Jul 7, 2022
(a)     2 J mol–1K–1                               (b) 8.3 cal mol–1K–1 (c)  4.2 J mol–1K–1         ...
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Jul 7, 2022
(a)  28g                   (b) ...
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Jul 7, 2022
300K and volume 1m3. If temperature and volume become double, then pressure will be (a) 105 N/m2Â Â Â Â ...
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Jul 7, 2022
(a) 600°C                                (b) 177°C (c)  817°C                               (d) None of these Answer-b
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Jul 7, 2022
(a) 546°C                                (b) 182°C (c)  819°C                               (d) 646°C Answer-a
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Jul 7, 2022
O2 gas is taken at 27°C and pressure 76 cm. Of Hg. Then find out volume of gas (in litre)...
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Jul 7, 2022
[P+(a/V2)][v-b]=RT (a) Both a and b represent correction in volume (b)Â Both a and b represent adhesive force between molecules...
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Jul 7, 2022
(a) The temperature must be 0 K (b) The temperature must be less than 0°C (c)  The temperature must be...
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Jul 7, 2022
( T1,T2) volume (V1,V2)Â and pressure (P1,P2) respectively. If the valve joining the two vessels is opened, the temperature inside...
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Jul 7, 2022
5°C , there occurred an increase of 1% in its pressure. The original temperature of the gas was (a)  500...
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Jul 7, 2022
27°C. Half of the mass of the gas is removed from the vessel and temperature of the remaining gas is...
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Jul 7, 2022
(a) Faster in solids than in liquids and gases (b)Â Â Faster in liquids than in solids and gases (c)Â Â Equal...
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Jul 7, 2022
O2Â gas (molar mass 32) at a temperature T. The pressure of the gas is P. An identical vessel containing...
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Jul 7, 2022
(a) It obeys Boyle’s law (b) It follows PV = RT (c) Internal energy depends on temperature only (d) It...
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Jul 7, 2022
(a) Varies inversely as its mass (b)Â Â Varies inversely as the square of its mass (c)Â Â Varies linearly as its...
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Jul 7, 2022
m1,m2 and m3 and the number of molecules in their respective containers are N1,N2Â and N3 . The gas pressure...
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Jul 7, 2022
(a)Â Â P / 2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â Â P (c)Â Â 2PÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (d)Â Â 4P Answer-c
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Jul 7, 2022
(a)Â Â 2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â Â 4 (c)Â Â 1/4Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ...
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Jul 7, 2022
(a) 1092 K                                           (b)  273 K (c)  546°C             ...
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Jul 7, 2022
O2 is (a)Â Â PV = 8RTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â Â PV = RT/4 (c)Â Â PV = RTÂ Â Â Â Â Â Â ...
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Jul 7, 2022
(a)  1800°C                                  (b)  162°C (c)  1527°C                                  (d)  600°C Answer-c
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Jul 7, 2022
(a) Number of molecules     (b)    Atomic number (c) Mass number          (d)...
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Jul 7, 2022
1500 m3 of helium at 27°C and 4 atmospheric pressure. The value of helium at -3°C temperature and 2 atmospheric...
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Jul 7, 2022
(a) 2 times             (b) 4 times (c) (1/4) times                  ...
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Jul 7, 2022
27°C temperature and 30 atmospheric pressure is allowed to expand to the atmospheric pressure. If the volume becomes 10 times...
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Jul 7, 2022
0°Cand 2 atm pressure will be (a) 0.56 litre                  (b) 1.2 litres (c) 2.4 litres                  (d) 5.6 litres Answer-a
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Jul 7, 2022
27°C and its temperature is raised to 52°C. The mass of the gas that has to be released to maintain...
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Jul 7, 2022
27° is heated till its pressure and volume are doubled. The final temperature attained by the gas is (a) 927°C                       ...
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Jul 7, 2022
(a) Einstein                   (b) Newton (c) Maxwell                   (d) Raman Answer-c
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Jul 7, 2022
If Cb and Ca are the velocities of sound in this gas before and after expansion respectively, then Ca is...
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Jul 7, 2022
(a) 50 ml                             (b) 100 ml (c) 200 ml            ...