Organisation : Maharashtra State Board of Secondary and Higher Secondary Education (MSBSHSE)
Exam Name : HSC Exam 2024
Class : Class 12th
Subject : Physics
Download : Question Paper
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MSBSHSE Class 12th Physics Question Paper
Q. 1. Select and write the correct answer for the following multiple choice type of questions :
Related / Similar Question Paper : MSBSHSE Class 12th Secretarial Practice Question Paper 2024
(1) The work done in bringing a unit positive charge from infinity to a given point against the direction of electric field is known as _____.
(a) electric flux
(b) magnetic potential
(c) electric potential
(d) gravitational potential
(2) To convert a moving coil galvanometer into an ammeter we need to connect a _____.
(a) small resistance in parallel with it
(b) large resistance in series with it
(c) small resistance in series with it
(d) large resistance in parallel with it
(3) If the frequency of incident light falling on a photosensitive material is doubled, then kinetic energy of the emitted photoelectron will be _____.
(a) the same as its initial value
(b) two times its initial value
(c) more than two times its initial value
(d) less than two times its initial value
(4) The current in a coil changes from 50A to 10A in 0.1 second. The self inductance of the coil is 20H. The induced e.m.f. in the coil is _____.
(a) 800V
(b) 6000V
(c) 7000V
(d) 8000V
(5) In biprism experiment, the distance of 20th bright band from the central bright band is 1.2 cm. Without changing the experimental set-up, the distance of 30th bright band from the central bright band will be _____.
(a) 0.6 cm
(b) 0.8 cm
(c) 1.2 cm
(d) 1.8 cm
Q. 2. Answer the following questions :
(i) Define centripetal force.
(ii) Why a detergent powder is mixed with water to wash clothes?
(iii) What is the resistance of an ideal voltmeter?
(iv) Write the formula for torque acting on rotating current carrying coil in terms of magnetic dipole moment, in vector form
(v) What is binding energy of a hydrogen atom?
(vi) What is surroundings in thermodynamics?
(vii) In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?
(viii)Two capacitors of capacities 5μF and 10μF respectively are connected in series. Calculate the resultant capacity of the combination
Attempt any EIGHT questions of the following :
Q. 3. Explain the change in internal energy of a thermodynamic system (the gas) by heating it.
Q. 4. Explain the construction of a spherical wavefront by using Huygens’ principle.
Q. 5. Define magnetization. State its SI unit and dimensions.
Q. 6. Obtain the differential equation of linear simple harmonic motion.
Q. 7. A galvanometer has a resistance of 30 and its full scale deflection current is 20 microampere (A). What resistance should be added to it to have a range 0-10 volt?
Q. 8. Explain Biot-Savart law.
Q. 9. What is a Light Emitting Diode? Draw its circuit symbol.
Q. 10. An aircraft of wing span of 60 m flies horizontally in earth’s magnetic field of at a speed of 500 m/s. Calculate the e.m.f. induced between the tips of wings of aircraft.
Q. 11. Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.
Q. 12. A horizontal force of 0.5N is required to move a metal plate of area with a velocity of , when it rests on thick layer of glycerin. Find the coefficient of viscosity of glycerin.
Q. 13. Two tuning forks having frequencies 320 Hz and 340 Hz are sounded together to produce sound waves. The velocity of sound in air is 340 m/s. Find the difference in wavelength of these waves.
Q. 14. Calculate the change in angular momentum of electron when it jumps from third orbit to first orbit in hydrogen atom
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