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GENERAL SCIENCE PHYSICS IN 1 TO 10


1.       What should be the angle for throw of any projectile to achieve maximum vertical range?

a)      45 degree

b)      60 degree

c)       90 degree

d)      30 degree

2.       What is the approximate terminal velocity of a skydiver falling freely with parachute in unopened condition?

a)      120 kms / hr

b)      160 kms / hr

c)       200 kms / hr

d)      240 kms / hr

3.       Which one among the following colours has the highest wavelength?

a)      Violet

b)      Green

c)       Yellow

d)      Red

4.       Which one among the following is not a correct statement?

a)      Cathode rays are negatively charged particles

b)      Cathode rays are produced from all the gases.

c)       Electrons are basis constituents of all the atoms.

d)      Hydrogen ions do not contain any proton.

5.       A 5ray of white light strikes the surface of an object. If all the colours are reflected the surface would appear.

a)      Black

b)      White

c)       Grey

d)      Opaque

6.       The main source of energy in sun is

a)      Nuclear fusion

b)      Nuclear fission

c)       Chemical reaction

d)      Mechanical energy

7.       A liquid initially contracts when cooled down to 4˚C but on further cooling down to 0˚C, it expands. The liquid is

a)      Alcohol

b)      Water

c)       Molten iron

d)      Mercury

8.       A beautiful rainbow o n the sky is due to the

a)      Dispersion of sunlight from a water droplet only

b)      Reflection of sunlight from a water droplet only

c)       Reflection and refraction of sunlight from a water droplet only

d)      Refraction, dispersion and reflection of sunlight from a water droplet.

9.       The weight of an object may be assigned using Newton’s

a)      First law of motions

b)      Second law of motion

c)       Third law of motion

d)      Laws of gravitation.

10.   A current of 0 – 5 a is drawn by a filament of an electric bulb for 20 minutes. The amount electric charge that flows through the circular is.

a)      1c

b)      10c

c)       60c


d)      300c 


ANSWERS 


1.A
2.D
3.D
4.D
5.B
6.A
7.B
8.D
9.D
10.C