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2019 MHT-CET PCM SET - 01 MHT - CET - 2019 MHT-CET PCM SET - 01

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

Question types

2019 MHT-CET PCM SET - 01 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 - 01 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 equiconvex lens has a focal length 'f'. If the lens is cut along the line perpendicular to the principal axis and passing through the pole, what will be the focal length of any half part?
  • A
    f
  • B
    $\frac{3 f }{2}$
  • C
    $\frac{ f }{2}$
  • ✓
    2f

Answer: D.

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Q 2MCQ1 Mark
The maximum velocity of the photoelectron emitted by the metal surface is 'v '. Charge and mass of the photoelectron is denoted by 'e' and 'm' respectively. The stopping potential in volt is ______.
  • ✓
    $\frac{v^2}{2\left(\frac{e}{m}\right)}$
  • B
    $\frac{v^2}{\left(\frac{m}{e}\right)}$
  • C
    $\frac{v^2}{2\left(\frac{m}{e}\right)}$
  • D
    $\frac{ v ^2}{\left(\frac{ e }{ m }\right)}$

Answer: A.

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Q 3MCQ1 Mark
Dimensions of Gyromagnetic ratio are $...........$
  • A
    $[L^{-1}M^0T^1l^1]$
  • B
    $[L^1M^0T^0l^{-1}]$
  • C
    $[L^1M^0T^1l^1]$
  • ✓
    $[L^0M^{-1}T^1l^1]$

Answer: D.

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Q 4MCQ1 Mark
The real force 'F' acting on a particle of mass ' m' performing circular motion acts along the radius of circle 'r' and is directed towards the centre of circle. The square root of the magnitude of such force is (T = periodic time).
  • ✓
    $\frac{2 \pi}{ T } \sqrt{ mr }$
  • B
    $\frac{ T ^2 mr }{4 \pi}$
  • C
    $\frac{2 \pi T }{\sqrt{ mr }}$
  • D
    $\frac{ Tmr }{4 \pi}$

Answer: A.

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Q 5MCQ1 Mark
If $\alpha $ is the coefficient of performance of a refrigerator and $'Q_1\ '$ is heat released to the hot reservoir, then the heat extracted from the cold reservoir $'Q_2\ '$ is $........$
  • ✓
    $\frac{\alpha Q _1}{1+\alpha}$
  • B
    $\frac{\alpha-1}{\alpha} Q _1$
  • C
    $\frac{1+\alpha}{\alpha} Q _1$
  • D
    $\frac{\alpha Q _1}{\alpha-1}$

Answer: A.

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