PYQ Vault

Day 258: MHT-CET Physics

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

  1. Question 1

    Semiconductor Devices. Asked once: 14 May 2024 S1 (same type asked 2 times) See all 2 of this type

    19
    For emission of light, a light emitting diode (LED) is

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  2. Question 2

    Motion in a Plane. Asked once: 20 Apr 2025 S1 (same type asked 2 times) See all 2 of this type

    16
    If A→=i^+j^+3k^,B→=−i^+j^+4k^\overrightarrow{A}=\widehat{i}+\widehat{j}+ 3\widehat{k},\overrightarrow{B}= -\widehat{i}+\widehat{j}+ 4\widehat{k} and C→=2i^−2j^−8k^\overrightarrow{C}= 2\widehat{i}- 2\widehat{j}- 8\widehat{k}, then the angle between the vectors P→=A→+B→+C→\overrightarrow{P}=\overrightarrow{A}+\overrightarrow{B}+\overrightarrow{C} and Q→=(A→×B→)\overrightarrow{Q}= (\overrightarrow{A}\times\overrightarrow{B}) is (in degree)

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  3. Question 3

    Oscillations. Asked once: 9 May 2024 S2 (same type asked 2 times) See all 2 of this type

    50
    Two S.H.M.s are represented by equations y1=0.1sin⁡ ⁣(100πt+π3)y_1 = 0.1\sin\!\left(100\pi t + \frac{\pi}{3}\right) and y2=0.1cos⁡(100πt)y_2 = 0.1\cos(100\pi t). The phase difference between the speeds of the two particles is

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  4. Question 4

    Rotational Dynamics. Asked once: 22 Apr 2025 S1 (same type asked 2 times) See all 2 of this type

    1
    A vehicle is moving with uniform speed along 3 different shaped roads as horizontal, concave and convex. The surface of road on which, the normal reaction on vehicle is maximum is

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  5. Question 5

    Electrostatics. Asked once: 26 Apr 2025 S1 (same type asked 2 times) See all 2 of this type

    12
    Three capacitors C1=CC_1 = C, C2=2CC_2 = 2C and C3=3CC_3 = 3C are connected to a battery, with C1C_1 and C2C_2 in series and C3C_3 connected in parallel across that series combination. The ratio of charge on capacitors C3C_3 and C1C_1 is

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