Day 61: MHT-CET Physics
5 questions. Try each one first, then open its answer.
Question 1
Superposition of Waves. This type asked 4 times: 15 May 2023 S1, 13 Apr 2026 S1, 16 Apr 2026 S1, 12 May 2026 S2. This one: 12 May 2026 S2 See all 4 of this type
122In sonometer experiment, the string of length under tension vibrates in second overtone between the two bridges. The amplitude of vibration is maximum at lengthTap an option to check your answer.
Question 2
Semiconductor Devices. This type asked 4 times: 9 May 2023 S1, 10 May 2024 S2, 15 Apr 2026 S2, 12 May 2026 S1. This one: 12 May 2026 S1 See all 4 of this type
150In one branch, resistance and a p-n junction diode are connected in series and in another branch, resistance is connected. Both the branches are connected in parallel to each other. The total resistance of the circuit when a) diode is forward biased and when b) diode is reverse biased respectively are {consider the p-n junction diode as an ideal diode}Tap an option to check your answer.
Question 3
Semiconductor Devices. This type asked 4 times: 4 May 2023 S2, 11 May 2023 S2, 16 May 2023 S1, 12 May 2026 S1. This one: 12 May 2026 S1 See all 4 of this type
148The truth table for the system of four NAND gates as shown in the figure isTap an option to check your answer.
Question 4
Electrostatics. This type asked 4 times: 2 May 2023 S2, 3 May 2023 S2, 23 Apr 2025 S1, 20 Apr 2026 S2. This one: 20 Apr 2026 S2 See all 4 of this type
126A charge is placed at each corner of a cube of side . The potential at the centre of the cube is ( = permittivity of free space)Tap an option to check your answer.
Question 5
Sound. This type asked 4 times: May 2021 S1, 17 Apr 2026 S1, 20 Apr 2026 S1, 20 Apr 2026 S2. This one: 20 Apr 2026 S2 See all 4 of this type
122Two monoatomic ideal gases '1' and '2' of molecular masses and respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas '1' to that in gas '2' isTap an option to check your answer.