Home
Class 12
PHYSICS
Air in a cylinder is suddenly compressed...

Air in a cylinder is suddenly compressed by a piston. which is then maintained at the same position. With the passage of time

A

the pressure decreases

B

the presseure increases

C

the pressure remains the same

D

the pressure may increase or decrease depending upon the nature of the gas

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A gas for which gamma=1.5 is suddenly compressed to 1//4 th of the initial volume. Then the ratio of the final to initial pressure is

Consider a sample of a gas in a cylinder with a movable pistom. Show digramatically the charges in the position of piston if Pressure is increased from 1.0 bar to 2.0 bar at constant temperature.

Consider a sample of a gas in a cylinder with a movable pistom. Show digramatically the charges in the position of piston if Temperature decreased from 400K to 300K and pressure is decreased from 4 bar to 3 bar.

The compressive ratio of a certain diesel engine is 15 . This means that air in the cylinder is compressed to 1/15 of its initial volume. If the initial pressure is 1.0 xx10^5 Pa and the initial temperature is 300 K, find the final pressure and temperature after compression. Air is mostly a mixture of oxygen and nitrogen and y = 1.4

A cylinder fitted with a piston contains 0.2 moles of air at temperature 27^(@) . The piston is pushed so slowly that the air within the cylinder remains in thermal equilibrium with the surroundings. Find the approximate work done by the system if the final volume is twice the initial volume

Consider a sample of a gas in a cylinder with a movable pistom. Show digramatically the charges in the position of piston if Temperature is decreased from 300 K to 150 K at constant pressure

An air cored solenoid with length 30 cm, area of cross section 25 cm^2 and number of turns 500, carries a current of 2.5A. The current is suddenly switched off in a brief time of 10^-3s. How much is the average back emf induced across the ends of the open switch in the circuit? Ignore the variation in magnetic field near the ends of the solenoid.

Which of the following circular rods (given radius r length x and each made of the same material) whose ends are maintained at the same temperature will conduct most heat?

The equation of a wave is y =4 sin {(pi)/(2) (2t +(x)/(8))} ,where y,x are in cm and time is in second .The phase difference between two positions of the same particles which are occupied at time interval of 0.4 s is