Download App

MHT-CET PCM 07 MHT - CET - MHT-CET PCM 07

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

Question types

MHT-CET PCM 07 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 07 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
In common emitter amplifier, a change of 0.2 mA in the base current causes a change of 5 mA in the collector current. If input resistance is 2K `Omega` and voltage gain is 75, the load resistance used in the circuit is ______.
  • A
    1K `Omega`
  • B
    2K `Omega`
  • ✓
    6K `Omega`
  • D
    4K `Omega`

Answer: C.

View full solution →
Q 2MCQ1 Mark
$V_e, V_b$, and $V_e$ are emitter, base, and collector voltage respectively for npn transistor in CE mode. Amplifier works for the combination of biasing voltage equal to ______.
  • A
    $V _{ e }=-5 V, V _{ b }=+2 V, V _{ c }=-5 V$
  • B
    $V _{ e }=+5 V, V _{ b }=+2 V, V _{ c }=-5 V$
  • C
    $V _{ e }=+5 V, V _{ b }=+2 V, V _{ c }=+5 V$
  • ✓
    $V _{ e }=-5 V, V _{ b }=+2 V, V _{ c }=+5 V$

Answer: D.

View full solution →
Q 3MCQ1 Mark
In any Bohr orbit of hydrogen atom, the ratio of K.E to P.E of revolving electron at a distance 'r' from the nucleus is ______.
  • ✓
    `-1/2`
  • B
    1
  • C
    -1
  • D
    `+1/2`

Answer: A.

View full solution →
Q 4MCQ1 Mark
The minimum energy required to excite a hydrogen atom from its ground state is ____________.
  • ✓
    10.2 eV
  • B
    3.4 eV
  • C
    - 13.6 eV
  • D
    13.6 eV

Answer: A.

View full solution →
Q 5MCQ1 Mark
According to de-Broglie hypothesis, the ratio of wavelength of an electron and that of photon having same energy 'E' is (m = mass of electron, c = velocity of light) ____________.
  • ✓
    `"c" xx sqrt((2"m")/"E")`
  • B
    `1/"c" xx sqrt((2"m")/"E")`
  • C
    `1/"c" xx sqrt("E"/(2"m"))`
  • D
    `"c" xx sqrt(("E")/(2"m"))`

Answer: A.

View full solution →
Browse all question groups ↑

Generate a MHT-CET PCM 07 paper free

Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.

Download App
Generate Paper FreeAll MHT - CET chapters