Physics miscellaneous Questions

Thermodynamic processes are indicated in the following diagram : Match the following Column-1 Column-2 P. Process I a. Adiabatic Q. Process II b. Isobaric R. Process III c. Isochoric S. Process IV d. ...

If θ1 and θ2 be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip θ is given by :-...

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To get output 1 for the following circuit, the correct choice for the input is:...

All the graphs below are intended to represent the same motion. One of them does it incorrectly. Pick it up.

A carbon resistor (47 ± 4.7) kΩ is to be marked with rings of different colours for its identification. The colour code sequence will be :-...

A cylindrical tank has a hole of 1cm2 in its bottom. If the water is allowed to flow into the tank from a tube above it at the rate of 70 cm3/sec then the maximum height upto which water can rise in t...

In the following circuit, when the switch is closed the bulb will not glow :-

A syringe containing water is held horizontally at a length h = 1.25 m above the ground. The diameter of the piston is 5 times that of the nozzle. The piston is pushed with a constant speed of 20 cm/s...

A particle of mass m is released from a point on the axis of a thin uniform heavy ring of mass M as shown in fig. The speed with which it crosses the plane of the ring is :-...

Temperature of an ideal gas is 300 K. The change in temperature of the gas when its volume changes from V to 2V in the process P = αV (here α is a constant) is :-

Ratio of the ranges of the bullets fired from a gun at angle θ, 2θ & 4θ is found in the ratio x : 2 : 2, then the value of x will be (Assume same speed of bullets) :-...

The value of the resistor, RS, needed in the dc voltage regulator circuit shown here, equals :...

A planet revolves in elliptical orbit around the sun. The linear speed of the planet will be maximum at:-...

To exipel half the mass of air from a large flask at 27oC it must be heated to :

At t = 0, particle is at rest. Then the maximum speed achieved by particle :-

A bomb of mass 1 kg is thrown vertically upwards with a speed of 100 m/s. After 5 seconds, it explodes into two fragments. One fragment of mass 400 grams is found to go down with a speed of 25 m/s. Wh...

In the adjoining figure various isothermals are shown for a real gas. Then :-

A large glass slab of thickness 8 cm is placed over a point source of light on a plane surface. It is seen that light emerges out of the top surface of the slab from a circular area of radius R cm. Wh...

A ball is dropped from a height of 20 m above the surface of water in a lake. The refractive index of water is 4/3. A fish inside the lake, in the line of fall of the ball, is looking at the ball. At ...