Home
Current Affairs January 2024

What is the correct answer?

4

The earth satellite Aryabhatta was put in orbit by India on

A. October 20, 1978

B. November 14, 1978

C. January 26, 1979

D. April 19, 1975

Correct Answer :

D. April 19, 1975


Related Questions

What is the correct answer?

4

The extremely luminous objects located at the centre of some distant galaxies and which are sources of high energy electromagnetic radiation are known as

A. Nebulae

B. Quasars

C. Meteors

D. Comets

What is the correct answer?

4

A device used in a ship for the purpose of measuring the depth of the sea is

A. an altimeter

B. a fathometer

C. a hydrometer

D. a sonometer

What is the correct answer?

4

A photon is

A. a quantum of electromagnetic radiation

B. light source used in photography

C. a photo film

D. sun-light

What is the correct answer?

4

To produce beats it is necessary to have two waves

A. travelling in opposite direction

B. of slightly different frequencies

C. of equal wavelength

D. of equal amplitude

What is the correct answer?

4

When an incident beam of light strikes the surface of a glass slab normally, the refracted beam

A. goes straight through without bending

B. gets deviated away from the normal

C. gets bent towards the normal

D. gets reflected

What is the correct answer?

4

Changing of one element into another element is known as

A. transmutation

B. fission

C. fusion

D. radioactivity

What is the correct answer?

4

Alternating Current (AC) is more advantageous than direct current because

A. it can be transmitted easily and efficiently

B. Alternating Current (AC) loses the least amount of energy when transmitted at high voltages

C. Alternating Current (AC) voltage can be easily increased or decreased

D. all the above

What is the correct answer?

4

For detecting and, testing of small electric charges we use

A. an electrophorus

B. an electroscope

C. an electromagnet

D. an ammeter

What is the correct answer?

4

If you want to open a door with les difficulty you push it

A. at the middle

B. at a point away from the hinge (near the rim)

C. near the hinge

D. None of the above

What is the correct answer?

4

When a satellite is In a geostationary orbit the force keeping it in orbit Is

A. zero

B. the centrifugal force

C. reaction due to steady burning of fuel

D. the gravitational pull on the body by the earth is the weight of the body which provides the centripetal force

What is the correct answer?

4

Halley's comet appears in the heavens once in

A. 40 years

B. 50 years

C. 76 years

D. 80 years

What is the correct answer?

4

Rays from the headlight of a motor car are rendered parallel by suitably using

A. a convex mirror behind it

B. a concave lens behind it

C. a concave mirror in front of it

D. a concave mirror behind it

What is the correct answer?

4

When a ship floats on water, the weight or water displaced is

A. an indeterminate quantity

B. equal to the weight of the ship

C. greater than the weight of the ship

D. less than the weight of the ship

What is the correct answer?

4

The largest planet in the solar system is

A. Neptune

B. Uranus

C. Jupiter

D. Saturn

What is the correct answer?

4

Choose the scalar quantity from the following physical quantities

A. force

B. velocity

C. acceleration

D. speed

What is the correct answer?

4

The planet that has got a well-developed set of rings is

A. Venus

B. Saturn

C. Mercury

D. Earth

What is the correct answer?

4

The electroplating of a metallic article

A. protects the article from atmospheric corrosion

B. gives it a more attractive appearance

C. Both (a) and (b) above

D. None of the above

What is the correct answer?

4

A cyclist leans inwards when he is negotiating a curve 10 that

A. he may increase his speed

B. his weight may be reduced

C. necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion

D. no frictional force may be produced between the wheels and the axle

What is the correct answer?

4

The presence of impurities

A. lowers the melting point of ice

B. raises the melting point of ice

C. has no effect on the melting point of ice

D. may lower or raise the melting point depending upon the type of impurities

What is the correct answer?

4

The earth satellite Aryabhatta was put in orbit by India on

A. October 20, 1978

B. November 14, 1978

C. January 26, 1979

D. April 19, 1975

What is the correct answer?

4

A lightning conductor installed in a building

A. does not allow the lightning to fall on the building at all

B. drives away the charged clouds

C. forces the lightning to fall on other buildings near that building

D. conducts the electric charges to the ground when lightning strikes the building

What is the correct answer?

4

When ice just melts

A. there is no change in volume

B. there is no change in temperature

C. heat is given out

D. there is no change of state

What is the correct answer?

4

What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?

A. 18 km/sec

B. 11.2 km/ sec

C. 21 km/ sec

D. 35 km/ sec

What is the correct answer?

4

The number of electrons in the outer orbits of a nucleus gives

A. the mass number

B. atomic number

C. atomic weight

D. absolute number

What is the correct answer?

4

A radio set that uses valves does not start operating immediately when it is switched on whereas a set containing only tranaistors operates immediately. The reason for this is that

A. the valve filaments have low resistance

B. valve-radio sets work at a higher voltage

C. transistor set has a low resistance

D. filaments of the valves cake time to beat up and function

What is the correct answer?

4

An astronomical unit of distance is

A. a kilometre

B. light year

C. the average distance from the earth to the sun

D. None of the above

What is the correct answer?

4

Photo-electric cells convert

A. electrical energy into light energy

B. light energy into electrical energy

C. light energy into heat energy

D. electrical energy into heat energy

What is the correct answer?

4

In hot climatic conditions, the buildings are painted white because

A. white paint is economical

B. it does not fade off

C. it does not crack with higher temperature

D. white coating is a bad conductor of heat and reflects heat rays that fall on it, thus keeping the inside cool

What is the correct answer?

4

The ozone layer absorbs

A. Cosmic rays

B. Infrared rays

C. All radiations of light

D. Ultra violet rays coming from the sun

What is the correct answer?

4

X-rays are

A. deflected by electric field

B. deflected by magnetic field

C. slightly deflected by electric field and magnetic field

D. not deflected by electric and magnetic fields