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2019 MHT-CET PCM SET - 03 MHT - CET - 2019 MHT-CET PCM SET - 03

Maharashtra Board - STD 12 Science - MHT - CET (MSBSHSE - English Medium). 150 questions in this chapter.

Question types

2019 MHT-CET PCM SET - 03 question types

150 questions across 1 question group — pick any mix to generate a MHT - CET paper with step-by-step answer keys.

150
Questions
1
Question groups
5
Question types
Sample Questions

2019 MHT-CET PCM SET - 03 questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
The rms speed of oxygen molecule in a gas is u, If the temperature is doubled and the molecules dissociates into two atoms, the rms speed will be ______.
  • A
    $u \sqrt{2}$
  • B
    u
  • C
    4u
  • ✓
    2u

Answer: D.

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Q 2MCQ1 Mark
The total energy of a simple harmonic oscillator is proportional to ______.
  • A
    amplitude
  • B
    square root of displacement
  • ✓
    square of the amplitude
  • D
    frequency

Answer: C.

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Q 3MCQ1 Mark
If the radius of the circular path and frequency of revolution of a particle of mass $m$ are doubled, then the change in its kinetic energy will be $(E_i$ and $E_f$ are the initial and final kinetic energies of the particle respectively.$)$
  • A
    $12 E_f$
  • B
    $16 E_i$
  • C
    $8 E_f$
  • ✓
    $15 E_i$

Answer: D.

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Q 4MCQ1 Mark
For formation of beats, two sound notes must have ______.
  • ✓
    nearly equal frequencies and equal amplitudes
  • B
    exactly equal amplitudes only
  • C
    exactly equal frequencies only
  • D
    different amplitudes and different frequencies

Answer: A.

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Q 5MCQ1 Mark
$[L^2 M^1 r^{-2}]$ are the dimensions of $........$
  • A
    force
  • B
    angular acceleration
  • C
    angular momentum
  • ✓
    torque

Answer: D.

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