Day 16: MH HSC Class 12 Physics

5 questions. Try each one first, then open its answer.

Question 1
Superposition of Waves. This type asked 5 times: Mar 2016, Mar 2017, Mar 2018, Mar 2019, Feb 2020. This one: Feb 2020
Q. 1(x) $Two tuning forks have frequencies 450 Hz and 454 Hz respectively. On sounding these forks together, the time interval between two successive maximum intensities will be ________.$
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Question 2
Electromagnetic Induction. This type asked 4 times: Mar 2016, Mar 2022, Feb 2024, Jun 2026. This one: Feb 2024
Q. 1(viii) $The current in a coil changes from 50A to 10A in 0.1 second. The self inductance of the coil is 20H. The induced e.m.f. in the coil is _____.$
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Question 3
Electromagnetic Induction. This type asked 4 times: Mar 2016, Feb 2024, Jul 2024, Jun 2026. This one: Jun 2026
Q. 29 $With the help of neat diagram explain construction of a transformer. Calculate energy required to build up current of 1A in an inductor of inductance 20 mH.$
Question 4
Mechanical Properties of Fluids. This type asked 4 times: Feb 2023, Feb 2024, Feb 2025, Jun 2026. This one: Jun 2026
Q. 1(ix) $For a streamline flow, the relative velocity between the two liquid layers is 10 cm/s. The distance between them is 5 cm. The velocity gradient is$
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Question 5
Structure of Atoms and Nuclei. This type asked 4 times: Mar 2022, Feb 2024, Jun 2025, Jun 2026. This one: Jun 2026
Q. 24 $Calculate the shortest wavelength of Paschen series and the longest wavelength of Balmer series for hydrogen atom.$

Question 1

Question 2

Question 3

Question 4

Question 5