JEE Main Physics Test- 11 - JEE MCQ
30 Questions MCQ Test Mock Tests for JEE Main and Advanced 2025 - JEE Main Physics Test- 11
The acceleration of moon with respect to earth is 0.0027 
and the acceleration of an apple falling on earth’s surface is about 10
.Assume that the radius of the moon is one fourth of the earth’s radius. If the moon is stopped for an instant and then released, it will move towards the earth. The initial acceleration of the moon towards the earth will be
and the acceleration of an apple falling on earth’s surface is about 10.Assume that the radius of the moon is one fourth of the earth’s radius. If the moon is stopped for an instant and then released, it will move towards the earth. The initial acceleration of the moon towards the earth will beThe acceleration of the moon just before it strikes the earth in the previous question is
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A person brings a mass of 1 kg from infinity to a point A. Initially the mass was at rest but it moves at a speed of 2m/s as it reaches A. The work done by the person on the mass is –3J. The potential at A is
when the satellite goes in on orbit of radius R and is 
when it goes in an orbit of radius 2R.
A particle is kept at rest at a distance R(earth’s radius) above the earth’s surface. The minimum speed with which it should be projected so that it does not return is
energy oscillates is
A particle executes simple harmonic motion under the restoring force provided by a spring. The time period is T. If the spring is divided in two equal parts and one part is used to continue the simple harmonic motion , the time period will
Suppose a tunnel is dug along a diameter of the earth.A particle is dropped from a point, a distance h directly above the tunnel. The motion of the particle as seen from the earth is
The motion is simple harmonic
Two waves represented by 
and y = 
are superposed. The resultant wave will have an amplitude
Consider two waves passing through the same string.Principle of superposition for displacement says that the net displacement of a particle on the string is sum of the displacements proudced by the two waves individually. Suppose we state similar principles for the net velocity of the particle and the kinetic energy of the particle. Such a principle will be valid for
Two sine waves travel in the same direction in a medium. The amplitude of each wave is A and the phase difference between the two waves is 
The resultant amplitude will be
A. The pressure of the gas at a point oscillates in time
B. The position of a small layer of the gas oscilates in time
A tuning fork sends sound waves in air. If the temperature of the air increases, which of the following parameters will change ?
A cylindrical tube, open at both ends, has a fundamental frequency v. The tube is dipped vertically in water so that half of its length is inside the water. The new fundamental frequency is
A small source of sound moves on a circle as shown in the figure and an observer is standing on O. Let n1,n2 and n3 be the frequencies heard when the source is at A, B and C respectively. Then
A mass m is placed inside a hollow sphere of mass M as shown in figure. The gravitational force on mass m is
,0,0) lies on the axis of a ring of mass M and radius R. The ring is located in y-z plane with its centre at origin O. A small particle of mass m starts from P and reaches O under gravitational attraction only. Its speed at O will be
In the figure, the block of mass m, attached to the springnof stiffness k is in contact with the compeletly elastic wall, and the compression in the spring is e. The spring is compressed further by e by displacing the block towards left and is, then released. If the collision between the block and the wall is completely elastic, then the time period of oscillations of the block will be
A wire of 
passes over a frinctionless light pulley fixed on the top of frinctionless inclined plane which makes an angle of 
with the horizontal.Masses m and M are tied at the two ends of wire such that m rests on the plane and M hangs freely vertically downwards. The entire system is in equilibrium and a transverse wave propagates along the wire with a velocity of 100 
Choose the correct option
A. If both Assetion and Reason are correct and reason is the correct exaplanation of assertion
B. If both Assertion and Reason are true,but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
E. If both assertion and reason are false
Assertion : Compression and rarefaction involve changes in density and pressure
Reason : When particles are compressed, density of medium increases and when they are rerefied, density of medium decrease
A. If both Assetion and Reason are correct and reason is the correct exaplanation of assertion
B. If both Assertion and Reason are true,but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
E. If both assertion and reason are false
Assertion : On a rainy day sound travel slower than on a dry day
Reason : When moisture is present in air the density of air increases
A. If both Assetion and Reason are correct and reason is the correct exaplanation of assertion
B. If both Assertion and Reason are true,but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
E. If both assertion and reason are false
Assertion : If oil of density higher than that of water is used in place of water in a resonance tube, the frequency decreases
Reason : Frequency does not depend on change of medium in resonance tube
A. If both Assetion and Reason are correct and reason is the correct exaplanation of assertion
B. If both Assertion and Reason are true,but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
E. If both assertion and reason are false
Assertion : In simple harmonic total mechanical energy can be negative also
Reason : Potential energy is always negative and if it is greater than kinetic energy total mechanical
energy will be negative
A. If both Assetion and Reason are correct and reason is the correct exaplanation of assertion
B. If both Assertion and Reason are true,but Reason is not correct explanation of the Assertion
C. If Assertion is true, but the Reason is false
D. If Assertion is false, but the Reason is true
E. If both assertion and reason are false
Assertion : In SHM let x be the maximum speed, y the frquency of oscilation and z the maximum
acceleration then xy /z is a constant quanity
Reason : The is becasue xy /z becomes a dimensionless quantiy
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357 docs|148 tests
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357 docs|148 tests
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