Physics ICS Part 2 Online MCQ's Test With Answers

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Physics ICS Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 In the equation if f2 > then
2 If the energy of photon is 10 eV and work function is 5 eV, then the a value of stopping potential will be 50 V 2 V 5 V 15 V
3 The unit of work function is Electron volt Ampere Volt cell Hz
4 The photoelectric effect predicts that light is made of Photons Neutrons Protons None of these
5 The uncertainty principle was given by De-Broglie Heisenberg Einstein Max Planck
6
Wien's constant Planck's constant Davison constant Lumber's constant
7 Which one of the following physical quantities change with relativistic speed? Length Time Mass All of above
8 The concept of direction is purely Relative Absolute Relative to the motion None of these
9 Which one of the following paved the way for modern physics Newtonian mechanics Theory of relativity Quantum theory All of above
10 The output from a full wave rectifier is An ac voltage A dc voltage Zero A pulsating unidirectional voltage
11 One use of a single p-n junction semiconductor in an electrical circuit is a Rectifier Transistor Battery Diode
12 The gate, which changes the logic level to its opposite level is called NOR gate AND gate OR gate NOT gate
13 The mathematical symbol for NOR operation is X = A . B X = A + D
14 An expression for gain of an inverting amplifier is (R<sub>1</sub>R<sub>2</sub>) None of these
15 In case of op-amp as an inverting amplifier, V+ - V- = 0, this is because Open gain loop is very low Closed loop gain is very high Open loop gain is very high Both (a) and (a)
16 For normal transistor the emitter current can be given by I<sub>E</sub> = I<sub>C</sub> I<sub>E</sub> = I<sub>C</sub> + I<sub>B</sub> I<sub>E</sub> = I<sub>B</sub> None of these
17 The symbol of p-n-p transistor is
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