PYQ Vault

Day 323: MHT-CET Physics

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

  1. Question 1

    Superposition of Waves. Asked once: 3 May 2023 S2 (same type asked 6 times) See all 6 of this type

    26
    A violin emits sound waves of frequency 'n1n_1' under tension TT. When tension is increased by 44%, keeping the length and mass per unit length constant, frequency of sound waves becomes 'n2n_2'. The ratio of frequency 'n2n_2' to frequency 'n1n_1' is

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  2. Question 2

    Semiconductor Devices. Asked once: 11 May 2024 S2 (same type asked 6 times) See all 6 of this type

    28
    In the digital circuit the inputs are as shown in figure. The Boolean expression for output Y is

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  3. Question 3

    Semiconductor Devices. Asked once: 15 May 2023 S1 (same type asked 6 times) See all 6 of this type

    6
    Two different logic gates giving output '1' for the inputs (1,0) and then for (0,1) are

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  4. Question 4

    Structure of Atoms and Nuclei. Asked once: 3 May 2023 S2 (same type asked 6 times) See all 6 of this type

    19
    The ratio of the radius of the first Bohr orbit to that of the second Bohr orbit of the orbital electron is

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  5. Question 5

    Semiconductor Devices. Asked once: 2 May 2023 S2 (same type asked 5 times) See all 5 of this type

    25
    In the following circuit, the current flowing through the zener diode is

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