The temperature at which the horams speed of hydrogen molecules is equal to escape velocity on earth surface will be

Volume versus temperature graph of 2 moles of helium gas is as shown his figure the radio of heat observed and the walk done by the gas in process 1_ 2 is

The molar heat capacity in a process of gas if it does a work of when heat of Q/

4 is supplied to it is

Figures shows the variation in temperature ∆ T with amount of heat supplied (Q )in an isobric process corresponding to one mole of each a monotomic diatomic and me gas the initial state of all gases or the same and the scale for this to access considered ignoring vibrational degrees of freedom the line ab and C respectively correspond to

The internal energy of an ideal gas increase during and isothermal process when the gas in

The efficiency of carnet engine is 0.6 it's rejects 20j of heat to the sink the work done by the en gine is

A particle of mass 1 kg is undergoing SHM for which graph between force and displacement from me position is shown its time period in second is

A light spiral spring support s 200 gm weight at its lower end it oscillates up and down with the period of 1 sec how much weight gram must be removed from the lower end to reduce the period 20.5 sec

That time period of a symbol pendulum is 2 second if it is length is increased 4 times then its period becomes

The particle excluding symbol harmonic motion has a kinetic energy K° cos² wt.

The amplitude of the vibrating particle due to super position of 2 s h m s y =sin (wt+π/3) and y1=sin wt is

In in the spectrum of light of a Luminous heavenly body the wavelength of a spectacle lioness measured to be 4747 A while actual wavelength of the line is 4700A the relative velocity of the heavenly body with respect to your will be

A note

has frequency 128 at chez the frequency of note active higher than it is

A closed organ pipe of radius r₁ and and open organ pipe of radius r2 and having same length L resonate When excited with the given tuning folk closed organ pipe resonates in its fundamental mode were as open organ while presents in its firs overtone then

Three ways producing displacement in the same direction of same frequency and of amplituds 10 u m Forum and a u m arrive at a point with successive face differenceThree ways producing displacement in the same direction of same frequency and of amplituds 10 u m Forum and a u m arrive at a point with successive face difference ofπ/2 the amplitude of the resultant wave is

Uniform rope of mass 0.1 kg and length 2.5 M Hangs from ceiling the speed of transverse waves in the Rope at Upper end and at a point is 0.5 m distance from lower end will be

Yeah man standing between two clips claps his hands and starts hearing a series of course and intervals of 2 second since the speed of sound in air is 340 m / second the distance between the clips must be

Two waves are represented y1=4sin 404πt and y2=3sin 400πt then

The amplitude of a wave represented by displacement equation y=1/√asinwt+_{_ 1/√bcoswt will be}

An Ultrasonic waves of hundred k h is at is produced about the surface of lac when this wave fall on the surface of water it is partly reflected the partly transmitted if the speed of sound in air in 330 m by yes and that Lake what is 1450 m/s

The wavelength of reflected and transmitted waves are

Which of the substance abrc has the highest specific heat that temperature versus time graph is shown A B and C have same mass and he type supply to all at same rate

Two moles of monoatomic gas or mixed with one moles of a diamatic has their or for the mixer is

A system is taken through a cyclic process represented by a psychology the heat absorbed by the system is

Figure shows to paths that may be taken by a gas to go from here state A to state c

In process ab 400 J of heat is added to the system in process BC 100 J of heat is added to the system the heat absorbed by the system in the process AC will be

27 degree Celsius a gas is suddenly compressed such that its pressure becomes 1 by 32 or original pressure temperature of the gas will be27 degree Celsius a gas is suddenly compressed such that its pressure becomes 1 /32 original pressure temperature of the gas will ber=5/3

Starting from same initial conditions and ideal gas is expanded from volume we want to v2/3 different ways if purpose is isothermal then work done by gas is w1 in isobaric it is w2 and in adiabatic it is W3 then

Two blocks each of mass M is connected to the spring of spring constant K A shown in the figure if the blocks are displaced slightly in opposite direction and released they will execute simple harmonic motion that time period of oscillation is

Particle executing yes difference between acceleration and displacement is

A simple pendulum when set in motion slowly slowly down and stops because slowly energy

For a simple pendulum find out the displacement from the main position where kinetic energy and potential energy or equal

The equation for away propaagating with velocity of 330m by S and having a frequency of 110 hz that and amplitude 0.05 M is

Which one of the following equation of motion represent simple harmonic motion

Which which of the following statement is correct

Change in temperature of medium changes

Is too running forks and beyond sounded together they produce 4 beach pier seconds then slightly loaded with wax reproduce beach when sounded again the frequency of a is 256 hours cheese at the frequency of be wille be

Yeah man stand between two parallel gliff when he claps his hands he he has to your course 1 after 1 seconds and the other two second if the velocity of sound the velocity of sound and app is 330m/s

with of the valley is

Two mechanical waves y1=4 sin2π(ax-100t) Wikipedia medium with same speed

You are so soft sound image 400 by volt power which is uniformly distributed over here 10 m radius what is the loudness of sound on the surface of a sphere

Your wave travels owner lightsting the equation the wave is y=A sin (kx-wt+30^{0) it is reflected from a heavy string tide to an end of the light sting at x=0.if 64%}

After incident energy is reflected the equation of the reflected wave is

A simple pendulum of length onion is allowed to oscillate with amplitude 2°college elastically with the wall in client at 1° to the vertical it is time period will be

In damped oscillation the amplitude after 50 oscillations is 0.8 where is the initial amplitude then the amplitude of 150 oscillation is

Yeah particle is executing as shm then the graph of velocity Anasuya function of displacement is a / an

The displacement time graph of a particle executing sqm is shown in the figure the corresponding force time graph of the particle is

India mixer of gases the average number of degree of freedom for molecules is 6 The RMS speed of the molecular of the gas is C the velocity of sound in the gas is