Physics questions
20027 published questions with worked solutions.
- The refractive index of a transparent liquid filled in an equilateral hollow prism is 2. The angle of minimum deviation for the...
- The electric field and magnetic field components of an electromagnetic wave going through vacuum is described by E_x=E_0 (kz- t)...
- Given below are two statements: Statement I: Acceleration due to earth's gravity decreases as you go 'up' or 'down' from earth's...
- Match List I with List II List I: A. AM Broadcast B. FM Broadcast C. Television D. Satellite Communication List II: I. 88-108 MHz...
- A photon is emitted in transition from n = 4 to n = 1 level in hydrogen atom. The corresponding wavelength for this transition is...
- Let _1 be the ratio of molar specific heat at constant pressure and molar specific heat at constant volume of a monoatomic gas...
- A long solenoid is formed by winding 70 turns cm^ -1 . If 2.0 A current flows, then the magnetic field produced inside the...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Steel is used...
- If the distance of the earth from Sun is 1.5 10^6km. Then the distance of an imaginary planet from Sun, if its period of...
- The frequency ( ) of an oscillating liquid drop may depend upon radius (r) of the drop, density ( ) of liquid and the surface...
- A cell of emf 90 V is connected across series combination of two resistors each of 100 resistance. A voltmeter of resistance 400...
- When a beam of white light is allowed to pass through convex lens parallel to principal axis, the different colours of light...
- An -particle, a proton and an electron have the same kinetic energy. Which one of the following is correct in case of their...
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: A pendulum...
- A spherical ball of radius 1 mm and density 10.5 g/cc is dropped in glycerine of coefficient of viscosity 9.8 poise and density...
- A parallel plate capacitor with air between the plate has a capacitance of 15 pF. The separation between the plate becomes twice...
- A mass m attached to free end of a spring executes SHM with a period of 1 s. If the mass is increased by 3 kg the period of...
- A uniform solid cylinder with radius R and length L has moment of inertia I_1, about the axis of the cylinder. A concentric solid...
- A convex lens of refractive index 1.5 and focal length 18 cm in air is immersed in water. The change in focal length of the lens...
- A body of mass 1 kg begins to move under the action of a time dependent force F =(t i +3t^2 j )N where i and j are the unit...