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# Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter

## 30 Questions MCQ Test JEE Main Mock Test Series 2020 & Previous Year Papers | Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter

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This mock test of Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter for JEE helps you for every JEE entrance exam. This contains 30 Multiple Choice Questions for JEE Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter (mcq) to study with solutions a complete question bank. The solved questions answers in this Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter quiz give you a good mix of easy questions and tough questions. JEE students definitely take this Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter exercise for a better result in the exam. You can find other Physics Test 2 - Rotation, Gravitation, SHM And Waves, Heat And Thermodynamics, Properties Of Matter extra questions, long questions & short questions for JEE on EduRev as well by searching above.
QUESTION: 1

### A liquid drop tends to have a spherical shape because

Solution: QUESTION: 2

### A capillary tube of radius 1 mm is 10 cm long. What maximum height of water it can hold if it is immersed in water upto 5 cm and then taken out of it ? (Surface Tension of water = 98 dynes/cm)

Solution: QUESTION: 3

### Ice floats in water contained in a vessel. When whole ice has melted, water temp. falls from . The water level will

Solution: QUESTION: 4
Two simple harmonic motions are given by the equations?  ? The amplitudes are in the ratio of
Solution: QUESTION: 5
Two soap bubbles of radii 4 mm & 6 mm are kept in contact. What is radius of curvature at the junction of bubbles.
Solution:
QUESTION: 6
The time period of a simple pendulum with effective length equal to the radius of Earth (R) will be (g is acceleration due to gravity at the surface of earth)
Solution: QUESTION: 7
For the wave represented by the equation y = 3cos cm the wave velocity and the maximum
particle velocity are
Solution: QUESTION: 8
Figure shows a capillary tube of radius r dipped into water. If the atmospheric pressure is the pressure at point A is Solution: QUESTION: 9
Ultrasonic waves emitted by dolphins have a frequency of 250 kHz. Their wavelength in water is nearly
Solution: QUESTION: 10
An organ pipe closed at one end vibrating in its first harmonic and another pipe open at both ends vibrating in its third harmonic are in resonance with a given tuning fork. The ratio of the length of to that of is
Solution: QUESTION: 11

Match list I & list II & select the correct answer given below Solution:
QUESTION: 12

Consider the following statements-
IN a stationary wave
1. All the particles perform simple harmonic motion with a frequency which is four times that of the two component waves.
2. Particles on the opposite sides of a node vibrate with a phase difference of 3. The amplitude of vibration of a particle at an antinode is equal to that of either component wave.
4. All the particles between two adjacent nodes vibrate in phase.
Of these statements-

Solution:
QUESTION: 13
The centre of a wheel rolling on a plane surface moves with a speed . A particle on the rim of the wheel at the same level as the centre will be moving at speed
Solution: QUESTION: 14
Three identical rods, each of length l are joined to form a rigid equilateral triangle. Its radius of gyration about an axis passing through a corner and perpendicular to the plane of the triangle is
Solution: QUESTION: 15
The velocity of a solid sphere after rolling down an inclined plane of height h, from rest, without sliding is
Solution: QUESTION: 16
A particle of mass m is moving in a plane along a circular path of radius r. Its angular momentum about the axis of rotation is L. The centripetal force on the particle is
Solution: QUESTION: 17
The earth retains its atmosphere because
Solution: QUESTION: 18
A solid sphere rolls without slipping and presses a spring of spring constant ‘K’ as in fig. at the moment shown a spring was in relaxed state then the maximum compression in the spring will be Solution: QUESTION: 19

A wheel of M. I.(Moment of inertia) is making 10 revolution per second. It is stopped in 20 Second. Then angular retardation is

Solution: QUESTION: 20
We have two sphere one of which is hollow and the other is solid. They have identical masses and moment of inertia about their respective diameter. The ratio of their radii is
Solution: QUESTION: 21
When a ceiling fan is switched off, its angular velocity falls to half while it makes 36 rotations. How many more rotations will it make before coming to rest if the angular retardation is assumed uniform ?
Solution: QUESTION: 22
Temperature of argon kept in a vessel is raised by C at constant volume. Heat supplied to the gas may be taken partly as transnational and partly as rotational kinetic energies. Their respective shares are
Solution: QUESTION: 23
A reversible engine Converts one-sixth of the heat input into work. When the temperature of the sink is reduced by the efficiency of the engine is doubled. The temperature of source and sink are
Solution: QUESTION: 24
Two liquids A and B are and . When mixed in equal masses the temperature of the mixture is found to be . Their specific heats are in the ratio of
Solution: QUESTION: 25
The first law of thermodynamics is concerned with the conservation of
Solution: QUESTION: 26
For hydrogen the temperature and volume are related to each other according to the relation  When the gas undergoes an adiabatic process and changes from thermodynamic state 1 to 2, the value of x is
Solution: QUESTION: 27

The colour of a star is an indication of its

Solution:
QUESTION: 28
140 calories of heat is required to raise the temperature of 2 moles of a diatomic gas at constant pressure from . How much heat will be required to heat it from at constant volume?
Solution: QUESTION: 29
A thermometer has wrong calibration (of course at equal distances and the capillary is of uniform diameter). It reads the melting point of ice as It reads in place of The temperature of boiling point of water on this scale is
Solution: QUESTION: 30

If the for the solar radiation is then the temperature of the surface of the photosphere of the sun will be

Solution: 