B. force

C. acceleration is zero

D. both A and B

B. 200 watt

C. 100 watt

D. 60 watt

B. 12KWh

C. 20KWh

D. 6KWh

B. nature of the film only

C. thickness of the film only

D. angle of indidence only

A. density

B. volume

C. temperature

A. the frequency of either of the two tuning forks

B. the ratio of the frequencies of two tuning forks

D. the sum of the frequencies of two tuning forks

A. 2000um

B. 500m

D. 5000 nm

A. 100 W blub

C. 60 W blub

D. all will burn equally brightly

A. bright fringes are wider than dark fringes

B. dark fringes are wider than bright fringe

D. central fringes are brighter than the outer fringes

B. ML-2T-2

C. ML2T-2

D. ML2T2

A. bullet fired from gun

B. a base ball shot

C. a football kicked

A. chance of collision

C. force acting

D. velocity

A. existence of a force

C. existence of two forces

D. effect of force

A. 256Hz

C. 42Hz

D. 262Hz

A. momentum changes but K.E remain conserve

C. both momentum and K.E changes

D. both momentum and K.E remain conserve

A. L?T/?L

B. ?L/L?T

C. ?L?T-?L

A. ML-2T-2

C. MLT-2

D. ML2T-2

A. protons

B. still under controversy

D. neutrons

A. its momentum

C. its acceleration

D. its velocity

A. Newton

B. Kelvin

C. Faraday

A. law of conservation of energy

C. 2nd law of motion

D. 1st law of motion

A. radio waves

B. X-rays

C. ultraviolot rays

A. silver

B. iron

C. tungsten

A. none

C. c-32/9

D. f-32/9=c/9

A. Number of loops

B. Tension in the string

C. Point where string is plucked

B. nature of conductor

C. dimension of conductor

D. physical state of the conductor

A. Physical science

B. Organ science

C. Just living science

A. 2nd law

C. all 1st, 2nd and 3rd laws

D. 3rd law

A. just to give a good look to circuit

B. to increase current

D. to control current

A. equal to 90 deg

B. equal to 45 deg

C. none of the above

A. Longitudinal

B. Transverse

C. Periodic

A. Chemistry

C. Biology

D. All of these

A. moves in a circle

B. has uniform acceleration

C. has variable acceleration

A. Newton

B. Young

D. Huygen

A. all of these

B. due to their shape

D. due to angle of projection

A. 100W

B. 40 W

D. 120W

A. soft and elastic

C. hard and elastic

D. solid and soft

A. 1172C

B. 586C

C. 313C

A. Neutron

C. Electron

D. Proton

A. heat energy into light energy

B. heat energy into mechanical energy

D. mechanical energy into heat energy

A. Geography

B. Biology

D. Chemistry

A. rest

B. motion

C. velocity

A. 8 minutes

B. 10 minutes

D. 15 minutes

B. Ionic physics

C. Article physics

D. Elementary articles

A. polarization

C. diffraction

D. dispersion

B. Gravitational force

C. Centripetal force

D. Their inertia

A. cell systems

C. elementary physics

D. physical sciences

B. increases

C. decreases

D. becomes zero

A. light form fluorescent tube

B. light form simple lamp

C. light form neon lamp

B. diffraction

C. reflection

D. polarization