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MHT-CET PCM 05 MHT - CET - MHT-CET PCM 05

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

Question types

MHT-CET PCM 05 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

MHT-CET PCM 05 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
Logic behind NOT gate is equivalent to that behind, ____________.
  • A
    shorted AND gate
  • B
    combination of AND and OR gates
  • ✓
    shorted NOR gate
  • D
    combination of NOR and NAND gates

Answer: C.

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Q 2MCQ1 Mark
In transistor amplifier, base-emitter junction is forward biased and collector emitter junction is reverse biased. The current gain is ______.
  • ✓
    `(DeltaI_"C")/(DeltaI_"B")`
  • B
    `(DeltaI_"B")/(DeltaI_"E")`
  • C
    `(DeltaI_"B")/(DeltaI_"C")`
  • D
    `(DeltaI_"E")/(DeltaI_"B")`

Answer: A.

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Q 3MCQ1 Mark
If a charge on the body is 1 nC, then how many electrons are present on the body?
  • A
    $6.25 \times 10^{28}$
  • B
    $1.6 \times 10^{19}$
  • C
    $6.25 \times 10^{27}$
  • ✓
    $6.25 \times 10^9$

Answer: D.

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Q 4MCQ1 Mark
The radii of the first four Bohr orbits of hydrogen atom are related as ____________.
  • ✓
    1 : 4 : 9 : 16
  • B
    1 : 2 : 3 : 4
  • C
    `1 : 1/2 : 1/3 : 1/4`
  • D
    `1 : 1/4 : 1/9 : 1/16`

Answer: A.

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Q 5MCQ1 Mark
An electromagnetic wave of wavelength '`lambda`' is incident on a photosensitive surface of negligible work function. If the photoelectrons emitted from this surface have the de-Broglie wavelength '`lambda_1`' then ____________.
  • A
    `lambda prop 1/lambda_1`
  • B
    `lambda prop 1/lambda_1^2`
  • ✓
    `lambda prop lambda_1^2`
  • D
    `lambda prop lambda_1`

Answer: C.

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