Question # 1

The buoyancy depends upon the

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Depth to which the body is immersed

Shape of the body

Mass of the body

Mass of the liquid displaced

The process of energy generation in sun and stars is.

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Fusion of heavy nuclei

fusion of light nuclei

Fission of light nuclei

Solar panels

What is measured by the energy dissipated when a source drives a unit charge round a complete circuit.

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Electromotive force

Potential difference

Power

Resistance

Which material has the highest magnetic susceptibility.

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Steel

Brass

Iron

Wood

Capacitance is define das

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VC

Q/V

QV

V/Q

During transition, atom cannot emit

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Visible light

Ultraviolet radiation

Infrared radiations

gama rays

When a ray of light enters from rarer medium to a denser medium its wavelength.

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Increases

Decreases

Remain constant

Vanishes

A gallium atom is.

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Monvalent

Diavalent

Trivalent

Pentavalent

Who developed the world's first vacuum pump in 1650.

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Otto vori Guricke

Lord Kelvin

Saadi Carnot

James maxwell

An object of placed at the centre of curvature of a concave mirror The image produced by the mirror is located.

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Out beyond the centre of curvature

At the centre of curvature

Between the centre of curvature and the focal point

At the focal point

Unit vector of a vector A describes

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Magnitude of a given vector

Direction of given vector

Shape of a given vector

Magnitude and direction of a given vector

Thermocouple is used for

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Converting atomic energy into heat energy

Measure the radiant energy

Storing the heat energy

Measuring current

The unit of magnetic induction is.

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weber -metre

weber -metre 2

weber-meter-2

weber-metre-1

Which parameter is an indication of colour of a star.

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Weight

Distance

Sixe

Temperature

Which thermometer is called sprint thermometer

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Alcohol thermometer

Mercury in glass thermometer

Gas thermometer

Radiation thermometer

The rate of which blood is delivered to the patient in a transfusion depends on

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Hight of the blood level in the suspended container

Volume of the container

Shape of the container

Material of the container

In an induction coil, the secondary emf is.

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Zero at the break of the circuit

Zero during make of the circuit

Very high during make of the circuit.

Very high during break of the circuit

The eight most common element in the universe by mass is

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Ge

C

Si

As

Which of the title for combining of notes that produce jarring effect on the ear.

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Noise

Melody

Harmony

Discord

The corss product of two vectors is zero when they

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Are parallel to each other

Are perpendicular to each other

Are at an angle of 120 ^o

Both are equal

A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.

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Mass of the upon

Area of cross section of the rod

Temperature gradient between two ends

Time for which heat flow through the rod

Distance between two consecutive nodes or antinodes is equal to.

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Lamda /4

Lamda

Lamda /2

2 lamda

Wave length of a LASER can be sued as a standard of.

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Angle

Time

Length

Temperature

What is the power factors of wattles current.

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Infinity

Unity

0.5

Zero

The curve between the acceleration and velocity of a body in SHM is a

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Circle

Ellipse

Square

Parabola

The line passing symmetrically though the optical center of the lens is.

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Focal plane

Principal focus

Principal axis

Focal length

Which Russian Physicist first proposed the liquid drop model for the nucleus in 1928

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Niels Bohr

George Gamow

Niel Armstrong

Bill Clinton

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

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Larger

Smaller

Zero

Infinity

A ball mass 0.25 kg is thrown to a height of 20 m The change in G.P.E is

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49 J

50 J

-75 J

500 J

Lenses are commonly made of.

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Glass only

Plastic only

Glass and clear plastic

Aluminium

Pressure of a gas depends upon

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Only on the molecular speed

Only on the speed of molecules on a unit volume

Only on the mass of molecules

Number of molecules mass and speed in a unit volume

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