The Chennai School Of banking

GENERAL SCIENCE Physics-02

Question No : 1

A vast collection of stars held together by mutual gravitation is called
(1) A galaxy
(2) Universe
(3) Constellations

(4) Nebula

Question No : 2

What is the energy equivalence of one atomic mass unit?
(1) 93.125 eV
(2) 931.25 eV
(3) 9.31 eV
(4) 0.93125 eV

Question No : 3

The term MB is used for
(1) Magnetic Bits
(2) Mega Bytes
(3) Mega Bits
(4) None of these

Question No : 4

The maximum density of water is at
(1) 373 Kelvin
(2) 277 Kelvin
(3) 273 Kelvin
(4) 269 Kelvin

Question No : 5

In a three-pin electrical plug longest pin should be connected to
(1) Ground terminal
(2) Live terminal
(3) Neutral terminal
(4) Any terminal

Question No : 6

The radius of curvature of the plane mirror is:
(1) Zero
(2) One
(3) Infinity
(4) Between one and infinity

Question No : 7

Which of the following is not a valid conservation law of classical Physics?
(1) Law of conservation of energy
(2) Law of conservation of current
(3) Law of conservation of angular momentum
(4) Law of conservation of charge

Question No : 8

The separation of cream from milk by churning is due to
(1) Gravitational force
(2) Cohesive force
(3) Centrifugal force
(4) None of these

Question No : 9

Solar eclipse will take place when
(1) the sun is between the moon and the earth
(2) the earth is between the moon and the sun
(3) the moon is between the sun and the earth
(4) the moon does not lie on the line joining the sun and the earth

Question No : 10

Superconductors are substances which
(1) conduct electricity at low temperature
(2) offer high resistance to the flow of current
(3) offer no resistance to the flow of electricity
(4) conduct electricity at high temperatures

Question No : 11

When a person walking in bright Sunlight enters a dark room he is not able to see clearly for a little while because
(1) the eye muscles cannot immediately adjust the focal length of the eye lens.
(2) the retina retains the bright images for sometime and becomes momentarily insensitive.
(3) the iris is unable to contract the pupil immediately
(4) the iris is unable to dilate the pupil immediately

Question No : 12

Which of the following has the longest wavelength?
(1) Infrared
(2) X-rays
(3) Visible light

Question No : 13

The force which opposes the relative motion between different layers of liquid or gases is called
(1) Critical Velocity
(2) Streamline Flow
(3) Terminal Velocity
(4) Viscous Force

Question No : 14

Which one of the following phenomenon is used in optical fibres?
(1) Interference
(2) Refraction
(3) Total internal reflection
(4) Polarisation

Question No : 15

Which of the following is not a fuel element?
(1) Uranium
(2) Thorium
(4) Helium

Question No : 16

Which one of the following is used as a moderator in the nuclear reactor?
(1) Thorium
(2) Graphite
(4) Ordinary water

Question No : 17

To remove the defect of long sightedness one uses
(1) Concave lens
(2) Convex mirror
(3) Convex lens
(4) Concave mirror

Question No : 18

‘Pyrheliometer’ is used for measuring:
(1) Sun spots
(3) Air temperature
(4) Temperature of plants

Question No : 19

Intensity of sound is
(1) Independent of amplitude
(2) Dependant of frequency
(3) Independent of frequency
(4) None of these

Question No : 20

If Va, Vw and Vs respectively are the speed of sound in air, water and steel, then
(1) Va < Vw < Vs
(2) Vs < Vw < Va
(3) Vw < Vs < Va
(4) Vs < Va < Vw

Question No : 21

Red light is used in traffic signals because
(1) It has the longest wavelength
(2) It is beautiful
(3) It is visible to people even with bad eyesight

(4) None of these

Question No : 22

What is the order of magnitude of electric resistance of the human body (dry)?
$(1) 10^{2}ohm$
$(2) 10^{4}ohm$
$(3) 10^{6}ohm$
$(4) 10^{8}ohm$

Question No : 23

It is difficult to walk on the ice than on the road because:
(1) Ice is harder than the road
(2) Road is harder than the rice
(3) Ice does not offer any reaction when we push it with our foot

(4) Ice has a lesser friction than the road

Question No : 24

A transformer
(1) converts DC to AC
(2) is used to decrease or increase AC voltage
(3) converts AC voltage to DC voltage
(4) converts electrical energy into mechanical energ

Question No : 25

The technique of collecting information about an object from a distance without making physical contact with it is
(1) Remote sensing
(2) Remote control
(3) Remote accessing
(4) Space Shuttleg

Question No : 26

In a nuclear reactor, one of the following is used as a fuel?
(1) Coal
(2) Uranium
(4) Diesel

Question No : 27

A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because
(1) Stone is heavier than parachute
(2) Special mechanisms are present in parachute
(3) A parachute has a larger surface area and air resistance is more
(4) None of these

Question No : 28

Instrument for measuring time is called _____
(1) Diagometer
(2) Anemometer
(3) Durometer
(4) Chronometer

Question No : 29

With reference to gravity, what is G called?
(1) Gravitational constant
(2) Gravitational attraction
(3) Gravitational force
(4) Acceleration due to gravity

Question No : 30

Food gets cooked faster in a pressure cooker because
(1) Water starts boiling at a lower temperature due to high pressure
(2) Water starts boiling at a higher temperature due to high pressure
(3) Water boils only at 100° C but the heat content is higher at high pressure
(4) Convection currents are set inside the cooker

Question No : 31

Who was the first Indian astronaut to travel in space?
(1) Rakesh Sharma
(2) Ravish Malhotra
(3) Kalpana Chawla
(4) Sheikh Muszaphar Shukor

Question No : 32

_____ is same on every point on a rotating body.
(1) Linear velocity
(2) Linear momentum
(3) Angular torque
(4) Angular velocity

Question No : 33

On adding common salt to water, the boiling point and freezing point of water will:
(1) Increase
(2) Decrease
(3) Decrease and increase respectively
(4) Increase and decrease respectively

Question No : 34

Rate of change of momentum is
(1) Area
(2) Pressure
(3) Force
(4) Velocity

Question No : 35

Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth _____
(1) remains same
(2) becomes half
(3) becomes twice
(4) becomes one fourth

Question No : 36

If an object, on a free fall from a certain height, reaches the ground in 1 second, what is its velocity on the impact with the ground?
(1) 4.9 m/s
(2) 9.8 m/s
(3) 14.7 m/s
(4) 19.6 m/s

Question No : 37

Which of the following is not a vector quantity?
(1) Work done
(2) Force
(3) Displacement
(4) Velocity

Question No : 38

If a body slides over a surface, the force resisting the motion between them is called _____
(1) Centripetal force
(2) Friction
(3) Centrifugal force
(4) Inertia

Question No : 39

If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
(1) Acceleration
(2) Kinetic Energy
(3) Velocity
(4) Momentum

Question No : 40

What will happen if an object is dropped from a height and there is no air resistance?
(1) It will fall with a constant speed and acceleration
(2) Its acceleration will increase
(3) Both speed and acceleration will increase
(4) Its speed will increase

Question No : 41

For every action, there is an equal and opposite reaction, is Newton’s
(1) First law
(2) Second law
(3) Third law
(4) Fourth law

Question No : 42

Which device is used to measure the depth of ocean?
(1) Lexometer
(2) Nanometer
(3) Fathometer
(4) Hydrometer

Question No : 43

Which of the following waves cannot be polarised?
(2) Ultra violet
(3) Infrared
(4) Ultrasonic

Question No : 44

The frequency of direct current is _____
(1) Zero
(2) 50 HZ
(3) 60 HZ
(4) 100 HZ

Question No : 45

The component used for tuning a radio is basically a variable _____
(1) Resistor
(2) Capacitor
(3) Rectifier
(4) Transformer

Question No : 46

Even after sunset, the air near the Earth’s surface continue to receive heat due to:
(1) Insolation
(3) Conduction
(4) Convection

Question No : 47

Which one of the following processes is responsible for the glittering of air bubble rising through water?
(1) Reflection of light
(2) Refraction of light
(3) Total internal reflection of light
(4) Scattering of light

Question No : 48

Temperature of distant luminous bodies can be determined by
(1) Mercury thermometers
(2) Gas thermometers
(3) Pyrometers
(4) Colour thermometers

Question No : 49

Bubbles of air rise up through liquids due to: