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MHT-CET PCB 01 MHT - CET - MHT-CET PCB 01

Maharashtra Board - STD 12 Science - MHT - CET (MSBSHSE - English Medium). 200 questions in this chapter.

Question types

MHT-CET PCB 01 question types

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

200
Questions
1
Question groups
5
Question types
Sample Questions

MHT-CET PCB 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
Which logic gate is represented by the following combination of logic gates?

Image

  • A
    NOR
  • ✓
    AND
  • C
    NAND
  • D
    OR

Answer: B.

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Q 2MCQ1 Mark
In a transistor in CE configuration, the ratio of power gain to voltage gain is ____________.
  • A
    `beta//alpha`
  • B
    `betaalpha`
  • ✓
    `beta`
  • D
    `alpha`

Answer: C.

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Q 3MCQ1 Mark
The condition to convert an amplified signal into an oscillating signal is ______
  • ✓
    $\beta A_v=+1$
  • B
    $\beta A_v=0$
  • C
    $\beta A_v=-1$
  • D
    $\beta A_v=\infty$

Answer: A.

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Q 4MCQ1 Mark
The rate of radioactive disintegration at an instant for a radioactive sample of half-life $2.2 \times 10^9 \mathrm{~s}$ is $10^{10} \mathrm{~s}^{-1}$. The number of radioactive atoms in that sample at that instant is, ______
  • A
    $3.17 \times 10^{20}$
  • ✓
    $3.17 \times 10^{19}$
  • C
    $3.17 \times 10^{17}$
  • D
    $3.17 \times 10^{18}$

Answer: B.

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Q 5MCQ1 Mark
The binding energy of an electron in $n^{th}$ orbit of the hydrogen atom is given by `"E"_"n" = 13.6/"n"^2 "eV."` The energy required to knock an electron from the second orbit in eV will be ____________.
  • ✓
    3.4 eV
  • B
    13.6 eV
  • C
    12.1 eV
  • D
    10.2 eV

Answer: A.

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