Question # 1

LDR becomes necessary when op amp is used as a

Choose an answer

Night switch

Inverter

Comparator

Rectifier

In case of A.C. through resistor V and I are

Choose an answer

At 0^o with each other

At 180 ^o with each other

At 90^o with each other

At 270 ^o with each other

Various types of cancer are treated by

Choose an answer

Carbon -14

Nickel -63

Cobalt -60

Strontium -90

the current which flows from a point at higher. potential to point at lower potential is called.

Choose an answer

Electric current

Conventional current

Either of these

None of above

Who explained the photo electric effect.

Choose an answer

Max Plank

Einstein

Henry

Rutherford

Frequency of x-rays depends upon.

Choose an answer

Number of electrons striking target

Accelerating potencial

Nature of the target

Both B and C

The peak value of A.C source is 20 A, then its rms value will be.

Choose an answer

14.1 A

10 A

20 A

28.2 A

The number of neutron present in a nucleus in a given by

Choose an answer

N = A+Z

N = A- z

N = Z - A

N = A X Z

In self induction A coil is connected in__________ with battery and a rheostat.

Choose an answer

Parallel

Series

Both A and B

None of above

Magnetic lines of force are.

Choose an answer

Imaginary

Real

Perpendicular

In phase with electric lines of force

The expression P = VI hold only when current and voltage are.

Choose an answer

In phase

Out of phase

At right angle to each other

At angle of 120 ^o

Useful device to measure resistance, current and voltage is an electronic instrument called.

Choose an answer

Volt meter

Ammeter

Ohmmeter

Digital Multimeter

Alpha particle carries a charge.

Choose an answer

-e

+2e

-2e

No charge

Direct current can not flow through.

Choose an answer

Inductor

Resistor

Transistor

Capacitor

The physical quantity related to photon, that does not change in Compton scattering is.

Choose an answer

Energy

Speed

Frequency

Wavelength

Binding energy per nucleon is maximum for

Choose an answer

Platinum

Iron

Uranium

Lead

When charge particle enter perpendicular to magnetic field, the path followed by it is:

Choose an answer

A helix

A circle

Straight line

Ellipes

The head produced by the passage of current through a resistor is.

Choose an answer

H= I²Rt

H = IR²t

H = 1/Rt

H = I²/Rt

More Classes

Other Links

Physics ICS Part 2 Online MCQ's Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer