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Day 148: MHT-CET Physics

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

  1. Question 1

    Thermal Properties of Matter. Asked 2 times: 10 May 2023 S2, 13 Apr 2026 S1 See all 2 times it was asked

    114
    Rate of radiation by a black body is 'R' at temperature 'T'. Another body has same area but emissivity is 0.2 and temperature 3T. Its rate of radiation is

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  2. Question 2

    Thermal Properties of Matter. Asked 2 times: 21 Apr 2025 S1*, 13 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    113
    A celsius and a Fahrenheit thermometer are dipped in boiling water. The temperature of water is lowered until the Farenheit thermometer shows 140∘140^\circ. What is the fall in temperature on the Celsius thermometer?

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  3. Question 3

    Units and Measurement. Asked 2 times: 11 May 2024 S2*, 13 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    103
    According to Boyle's law, the product PV remains constant. The SI unit of PV is same as that of

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  4. Question 4

    AC Circuits. Asked 2 times: 16 May 2023 S2, 11 Apr 2026 S2 See all 2 times it was asked

    135
    A light bulb connected in series with a capacitor and an a.c.source is glowing with certain brightness. On reducing the value of capacitance and frequency respectively, the brightness of the bulb

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  5. Question 5

    Current Electricity. Asked 2 times: 20 Apr 2025 S2, 11 Apr 2026 S2 See all 2 times it was asked

    129
    In potentiometer experiment, null point is obtained at a particular point for a cell on potentiometer wire 'x' cm long. If length of potentiometer wire is increased by few cm without changing the cell, the balancing length will (Driving source is not changed)

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