Topics

General Knowledge
General Science
General English
Aptitude
General Computer Science
General Intellingence and Reasoning
Current Affairs
Exams
Elementary Mathematics
English Literature

RADAR is used for

A) locating submerged submarines
B) receiving a signals in a radio receiver
C) locating geostationary satellites
D) detecting and locating the position of objects such as aeroplanes

Correct Answer:




D) detecting and locating the position of objects such as aeroplanes

Part of solved Physics questions and answers : >> General Science >> Physics

Comments

Similar Questions

1). Materials for rain-proof coats and tents owe their water-proof properties to

A). surface tension

B). viscosity

C). specific gravity

D). elasticity

2). Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

A). move towards A

B). move towards B

C). move at right angles to the line joining A and B

D). remain at rest

3). On a rainy day, small oil films on water show brilliant colours. This is due to

A). dispersion

B). interference

C). diffraction

D). polarization

4). Lux is the SI unit of

A). intensity of illumination

B). luminous efficiency

C). luminous flux

D). luminous intensity

5). Rectifiers are used to convert

A). Direct current to Alternating current

B). Alternating current to Direct current

C). high voltage to low voltage

D). low voltage to high voltage

6). Pick out the scalar quantity

A). force

B). pressure

C). velocity

D). acceleration

7). If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same

A). velocity

B). momentum

C). acceleration

D). kinetic energy

8). Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?

A). Pressure and Young's modules

B). Planck's constant and Angular momentum

C). Impulse and moment of force

D). Force and rate of change of linear momentum

9). Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

A). will overflow

B). will not rise

C). depressed

D). change its meniscus

10). Metals are good conductors of electricity because

A). they contain free electrons

B). the atoms are lightly packed

C). they have high melting point

D). All of the above