Question # 1

An electron enters the magnetic field at right angle from left, B is into paper. The electron will be deflected.

Choose an answer

upward

To ward right

Down ward

Toward left

The sensitivity of Galvanometer can be increased by:

Choose an answer

Increasing C/BAN factor

Decreasing C/BAN factor

Increasing angle θ

All of above

The resistivity of two wires isρ₁ andρ₂ which are connected in series. If there dimentions are same then the equivalent resistivity of the combination will be:

Choose an answer

(ρ₁ +ρ₂)

1/ρ₁+ 1/ρ₂

ρ₁+ρ₂/2

ρ_1/ρ₂

Iodine -131 is used for the treatment by

Choose an answer

Bones

Eyes

thyroid glands

Lungs

GM counter uses

Choose an answer

Alcohol only

Bromine

argon

Neon and bromine

A material which is insulator at 0 K and conduct at room temperature is.

Choose an answer

Silver

Lead

Germanium

Polythene

If the separation between the plates of a capacitor is doubled then its capacitance become.

Choose an answer

Double

Half

One fourth

Three times

Michael Faraday and Joseph Henry belongs to

Choose an answer

England and USA

France and USA

China and USA

None of these

The main use of A.C is

Choose an answer

Minimum line losses

Long distance transmission

Stepping up to required voltage only

Steeping down to required voltage only

Magnetism is related to:

Choose an answer

Stationary charges

Moving charges

Stationary & Movingcharges

Law of motion

The first laser was built by

Choose an answer

ArthursSchawalow

T.H.Maiman

Peter Sorokin

C.H.Townes

When motor is just started, back emf is almost.

Choose an answer

Maximum

Zero

Minimum

Infinite

What is difference is isotopes

Choose an answer

Number of protons

Number of neutrons

Number of electrons

Charge number

Eintein's Photoelectric equation is E_k= hf -∅ in this equation E₁, refers to:

Choose an answer

K.E of al the emited electrons

Mean K.E of emited electrons

Maximum K.E of emited electrons

Minimum K.E of emited electrons

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

Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ?

Choose an answer

2^nd sphere

Both have same

First sphere

None of these

With the speed of motor, magnitude of back emf

Choose an answer

Remain same

Increase

Decrease

First increases then decreases

Power dissipation in A.C circuit is expressed as:

Choose an answer

P =I_rms x V_rms Sinθ

IxVCosθ

I_rmsxV_rmsCosθ

I_rms x V_rms Sin2θ

More Classes

Other Links

Ics Part 2 Physics Test Online 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