Question # 1

The Mars has value of g

Choose an answer

25.94 m/sec2

3.73 m/sec2

1.62 m/sec2

8.87 m/sec2

The device that is used to measure the temperature of a body called

Choose an answer

Thermometer

Acidimeter

Barometer

Clock timer

An ideal system gives output:

Choose an answer

50%

60%

80%

100%

The Celsius lower reference point is 0^oC while upper reference point is:

Choose an answer

212 ^oC

180^oC

100^oC

110^oC

Energy cannot be destroyed however it can be converted into some other forms. This is known as:

Choose an answer

Law of heat exchange

Law of conservation of energy

Law of conservation of momentum

None of these

What will be the magnitude of work if a force of 25N pulls a stone through a distance of 5 m in its directions

Choose an answer

25 J

50 J

75 J

125 J

Work is zero when "F" and "S" will be:

Choose an answer

Parallel

Perpendicular

Anti parallel

Tangent

Hydro meter is used to measure:

Choose an answer

Pressure

Density

Area

Volume

Speedometer measures the.

Choose an answer

Acceleration

Velocity

Speed

All of these

A car is made on the principles of

Choose an answer

Electronics

Thermodynamics

Electricity

Mechanics

The height of geostationary satellites with respect to Earth is

Choose an answer

36,300 km

40,300 km

30,300 km

42,300 km

The equivalent resistance in parallel combination is:

Choose an answer

R_c=R₁+R₂+R₃ +.................+R_n

R_c=1/R₁+1/R₂+1/R₃+.................+1/R_n

a and b

None of these

The angle of which prism deviates the incident ray is called:

Choose an answer

angle of incident

angle of reflection

angle of deviation

angle of minimum deviation

An example of input device computer is:

Choose an answer

Keyboard

printer

monitor

RAM

Ultrasound waves carry energy:

Choose an answer

Less

More

Equal

None of these

The force applied on the mass attached with a spring is represented by:

Choose an answer

f_a

f_c

f_ext

f_s

To protect the gold leaves of electroscope from the external electric disturbances, the aluminum foil is grounded by a thin wire, which is made up of:

Choose an answer

Aluminum

Silver

Copper

Brass

When resistance are connected in series the current passing through them is .

Choose an answer

Different

Zero

The same

None of these

In totally reflecting prism one angle is of 90^o, and other two angles are of:

Choose an answer

30^o,30^o

45^o,90^o

45^o,45^o

40^o,40^o

The current which changes its direction is called:

Choose an answer

Current

A.C.

Conventional current

D.C.

Electronics is a branch of:

Choose an answer

Mass

Applied Physics

Mechanics

Nuclear Physics

In computer terminology, proceed data is called:

Choose an answer

Software

Program

Information

Digital data

The dimensional of potential energy per unit volume are same as that of.

Choose an answer

Work

Pressure

Speed

Density

Viscosity is represented by Greek letter

Choose an answer

The power needed to lift a mass of 5000 g to height of 1 m in 2 secnd is

Choose an answer

2.45 watt

24.5 watt

245 watt

2.45 watt

If velocity time graph is parallel to time axis, then acceleration of moving body will be.

Choose an answer

Maximum

Positive

Zero

Negative

A paratooper moves downward with

Choose an answer

Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

Which material has maximum viscosity

Choose an answer

Glycerin

Plasma

Methanol

Water

Teh speed of sound in air is 340 m/s. If the pressure of air is doubled then the speed becomes.

Choose an answer

Double

Half

Four times

Remains same

INTELSAT VI satellite operates at microwave frequencies of.

Choose an answer

2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

Size of the molecules is much smaller as compared to the

Choose an answer

Mass of the molecules

Distance between the molecules

Density of the molecules

Volume of the molecules

When ever the path difference between the waves is integral multiple of half the wavelength, interference will be

Choose an answer

Constructive

Destructive

(-)ve

(+) ve

when a ball is throng straight up, the acceleration at its highest point is.

Choose an answer

Upward

Down ward

Zero

Horizontal

Hydrogen bomb is an example of.

Choose an answer

Nuclear fission

Nuclear fusion

Chain reaction

Chemical reaction

The concept of direction is purely

Choose an answer

Relative

Absolute

Relative to the motion

None of these

Curie temperature is a point where :

Choose an answer

Diamagnetism changes to paramagnetism

Paramagnetism changes to Diamagnetism

Ferromagnetism changes to paramagnetism

Paramagnetism changes to Ferromagnetism

One electron volt is equal to.

Choose an answer

1.6 x 10^-19 Joule

1.6 x 10^-19Coulomb

1.6 x 10^-12N

1.6 x 10¹⁸Joule

Mass equivalent of 931 MeV energy is:

Choose an answer

6.02 x 10^-23 kg

1.766 x 10^-27kg

2.67 x 10^-29kg

6.02 x 10^-87kg

X₁is low for low frequency Fy but Xc is.

Choose an answer

Zero

Low

High

Same is H

A photo diode can turn its current ON and OFF in

Choose an answer

Micro seconds

Mega seconds

Nano seconds

Mili seconds

Maximum Compton shift is observed at.

Choose an answer

30^oC

90^oC

45^oC

180^oC

The vessel containing the tow electrodes and liquid to known as.

Choose an answer

Chemical cell

Volt cell

Volta cell

Volta meter

The moderator used in a nuclear reactor

Choose an answer

Sodium

Uranium

Graphite

Cadmium

How many neutrons are there in the nuclide Zn⁶⁶?

Choose an answer

22

30

36

66