Question # 1

Which is the famous standard model of the universe.

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the big bang

Casmos

Astronaut

The small stap

The electric heater takes a current of 4 A from a 250 V supply . How long would it take the heater to convert 400,000 J of electric energy.

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100 s

200 s

400 s

750 s

Why freezer a refrigerator is located in the top section

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Motor is not affected

Heat gained from environment is less

The entire chamber of freezer is cooled quickly

Heat gained from environment is more

The velocity of sound will be greater in.

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Air

Water

Solids

Vacuum

If a car is to gain momentum it must.

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Lose inertia

accelerate

Move rapidly

Lose weight

What is the type of corrective lens used to correct or enhance the vision is only one eye.

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Axicon

Monocle

Zoom lens

Camera lens

The value of 'g' is affected by earth's

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Non spherical shape

Daily motion

Volume

Density

A heat engine with 100% efficiency would have to

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Do no work

Be at a uniform temperature

Use no heat

Discharge at 0^oC

The dimensions of torque are.

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[MLT-2]

[ML-1T-1]

[ML2T-2]

[ML-2]

Which characteristics successively increases in the musical scale.

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Pitch

Quality

Loudness

Amplitude

In the magnetic circuit concept the quantity analogous to electric current in electric circuit analysis is.

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Magnetic flux density

Permeability

Magnetic field intensity

Magnetic flux

Which is the branch of medicine that deals with the anatomy physiology and diseases of the eye.

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Ophthalmology

Psychology

Andrology

Gynecology

No current flows between two charged bodies when connected if they have same.

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Charge

Capacity

Potential

Shape

The first book of physics was written by

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Maxwell

Newton

Aristotle

Faraday

Beats are the result of.

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Interference

Doppler's effect

Ultrasound

Polarization

The resultant magnitude of two vectors

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Is always positive

Can never be zero

Can be negative positive or zero

Is usually zero

If there are no frictional effects, the mechanical energy of a system executing simple harmonic motion.

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Changes with time

Is variable

Is constant

Is not conserved

Which example best illustrates the conservation of electrical energy to chemical energy.

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Starting a car

Generating hydroelectric power

Changing an accumulator

Melting a fuse

A straight wire carrying current will experience a force when place in uniform magnetic field if

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The current and field are parallel

The current and field are at an angle

the current and field are parallel in opposite directions

All of the above

The point of which the whole weight of the body acts

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zero point

Centre of mass

Centre of gravity

Equilibrium

The magnitude of induced emf during electromagnetic induction is controlled by.

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Magnetic flux

electric flux

Electric field

Magnetic field

For an A.C. circuit the power factor is

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Always les than one

Always greater than one

Always equal to one

Absent

The effective resistance in an A.C. circuit is

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An inductance

An impedance

A mutual inductance

Always zero

In which of the following the loss of energy is less.

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Direct current

Alternating current

Thermoelectricity

Photoelectricity

The total energy of body executing SHM is directly proportional to.

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Amplitude

Square of amplitude

Square root of amplitude

Reciprocal of amplitude

At series resonance in L-C-R circuit the impedance is equal to.

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Ohmic resistance

Inductive reactance

Capacitive reactance

Inductive reactance minus capacitive reactance

A device used to detect and measure charge is.

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A voltmeter

An ammeter

An electroscope

An amplifier

Frequency of second pendulum is.

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0.5 Hz

1.0 Hz

1.5 Hz

2.0 Hz

Significant motion for the molecules of a monoatomic gas is.

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Rotatory

Vibratory

Translatory

Random

The corpusclular nature of light was given by

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Huygen

Maxwell

Newton

Thomas Young

The SI unit of solid angle is

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Degree

Radian

Steradian

Candala

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