46 - Thermodynamics Questions Answers

if abody of mass 5 kgs moves under a force 10i+15j+20kthen what is the acceleration produced by the bidy 

Asked By: SAI PAVAN 3 year ago
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a container filled with 20 moles of ideal diatomic gas at absolute temperature T.when heat is supplied to gas temperature remains constant but 8 moles dissociated into atoms.heat energy given to gas is
Asked By: PALASH MURA 4 year ago
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If α moles of a monoatomic gas are mixed with β moles of a polyatomic gas and mixture behaves like diatomic gas, then [ neglect the vibrational mode of freedom ]
Asked By: PALASH MURA 4 year ago
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Question 1:- a particle is moving in a circular path of radius r at a constant speed v. draw a graphs represents its acceleration 'a' with respect to 'r' ?

 

Asked By: SWATI KAPOOR 4 year ago
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Question 4 :- if the motion of an object is represented by a straight line parallel to the time axis in a distance- time graph, then the object undergoes

(a)   An accelerated motion

(b)   A decelerated motion

(c)   A uniform non-zero velocity motion

(d)   A zero velocity motion 

Asked By: SWATI KAPOOR 4 year ago
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Question3:-Light waves projected on oil surface show seven colours due to the phenomenon of

(a)   Polarisation

(b)   Refraction

(c)   Reflection

(d)   interference

Asked By: SWATI KAPOOR 4 year ago
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Question 2 :- The working of a microwave oven involves

(a)adsorption of microwaves by matter

(b) reception of microwave by optical fibre

(c) microwave amplification by stimulated emission of radiation

(d) transmission of microwaves through a metal

Asked By: SWATI KAPOOR 4 year ago
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Question 1:- A bullet is fired vertically up from a 400m tall tower with a speed 80 m/s. If g is taken as 10 m/s^2 the time taken by the bullet to rteach the ground will be

(a)    8s     (b) 16s     (c) 20s    (d) 24s

Asked By: SWATI KAPOOR 4 year ago
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AN 8.0 g bullet is fired horigontally into a  9 kg cube of wood, which is at rest , and strikes in it. the cube is free to move and has a speed of 40 cm/s after impact. find the intial velocity of the bullet.

Asked By: VIJAY 4 year ago
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A monatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically. The ratio of its final pressure to the initial pressure is (Given, thr ratio of the specific heats of the given gas to be 5/3) 

Asked By: SAUMYA PALIWAL 4 year ago
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