Question # 1

Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?

Choose an answer

3RΩ

2R/4Ω

R/3Ω

2R/3Ω

How much force is required to slide one layer of the liquid over the other layer is measured by

Choose an answer

friction

density

viscosity

resistivity

CRO deflects the beam of

Choose an answer

proton

a-particle

electron

neutron

The ratio of the gravitational force F_gto the electrostatic force F_ebetween two electrons at the same distance apart is approximately

Choose an answer

9.8

24 x 10¹⁹

24 x 10⁴²

24 x 10^-44

Which one is conservative force

Choose an answer

Electric force

Frictional force

Normal force

Air resistance

Heating effect caused by an electric circuit is written

Choose an answer

H = I²Rt

H = I²R

H = IR²t

H = IR²

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

Choose an answer

turbulent

streamline

abrupt

none of them

Maximum density of H₂O is at the temperature

Choose an answer

32°F

39.2°F

42°F

4°F

The electric flux is linked with a surface will be maximum when

Choose an answer

The surface is held parallel to the electric field

The surface is held perpendicular to the electric field

The surface makes an angle of 45° with the electric field

All of the above

The closed loop gain of the inverting amplifier is written as

Choose an answer

G = R₂/R₁

G = 1 + R₂/R₁

G = -R₂/R₁

G = 1 - R₂/R₁

The solids which has structure in-between order and disorder are called

Choose an answer

amorphous solids

polymeric solids

crystalline solids

all of them

A visual representation of an electric field in terms of an electric field lines was proposed by

Choose an answer

Coulomb

Faraday

Gauss

Lenz

Conductors are those materials in which the free electrons

Choose an answer

Very large

Very small

Plenty of

None of these

When the pressure of a fixed mass of a gas is decreased under isothermal condition there is

Choose an answer

Fall of temperature

Increase of density

No change in internal energy

A decrease in the value of PV

Which part of the spectrum is most visible?

Choose an answer

Red

Violet

Yellow

Yellow-green

In YDS experiment, condition for constructive interference is that path difference is equal to

Choose an answer

nλ

mλ

(n + 1/2)λ

(m + 1/2)λ

In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then

Choose an answer

No fringes are observed

All fringes will be darks

bright fringes will be less bright and dark will be less dark

Bright fringes will be brighter and dark fringes will be darks

At systolic pressure, at the point the first surges of blood flow through the narrow stricture produces

Choose an answer

High flow speed

Sound heard

Initially turbulent

All of these

To demonstrate the phenomenon of interference we require two sources that emit radiation

Choose an answer

Of same frequency

Different wavelength

Of the same frequency and having definite phase relationship

Of nearly the same frequency

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by blue light of the same intensity:

Choose an answer

Fringe width will decrease

Fringe width will increase

Fringe width will remain unchanged

Fringe will become less intense

A heat engine converts thermal energy to mechanical work which is

Choose an answer

All

Partly

Some

None of these

When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in

Choose an answer

Final adjustment

Normal adjustment

Initial adjustment

None of these

More Classes

Other Links

Physics General Science Test Medium Mode 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer