A. 2?

B. ?

C. 20?

A. Invariable

B. Accessible

D. Transportable

A. c2/hv

C. hv/c

D. hv/c2

A. Neither greater nor smaller ionization power

C. Greater ionization power

D. Same ionization power

A. chromatic aberration

C. both spherical and chromatic

D. distortion

B. discrete spectra for atoms

C. either continuous nor discrete

D. no spectrum

A. Random error

B. Personal error

C. Classified error

A. Displacement only

B. The direction of motion only

D. Neither displacement nor direction of motion

A. 15 cm

B. 10 cm

C. 7.5 cm

A. Plane angle

C. Both plane angle and solid angle

D. Neither plane angle nor solid angle

B. Taking zero correction

C. All methods explained in A, B and C

D. Comparing the instrument with another more accurate one

B. X-rays

C. ultraviolet rays

D. visible radiation

A. Uniform

B. Neither uniform nor maximum

C. Maximum

A. radius of curvature

C. focal length

D. aperture

A. Radio

B. T.V

D. Microwave oven

A. very small

B. 1.67 x 10-27 kg

C. infinite

A. 3

B. 1

D. 4

B. one meter

C. a foolish question

D. greater than one meter

A. V/30 x r

B. ? / 180 x r

C. ? /3 x r

A. Zero

B. Half

C. 1

A. Sun

B. Uranus

C. Mercury

A. ?

B. Speed of sound

C. h

B. 89N

C. 9.8 N

D. 10N

B. mg sin ?

C. mg cos ?

D. mg cos ?

A. Statically

B. None of these

C. Some time static and sometimes dynamic

A. Ampere

C. Plank

D. Thomson

A. S.H.M likes the sound

B. Vibratory motion like up and down

C. Simple vibratory motion

B. 2?R

C. ?R

D. 4?R

B. no function

C. to filter the light rays

D. to make them

A. Newton/meter2

B. Newton/Meter2

D. newton/Meter2

A. 3 hours

B. 6 hours

C. 12 hours

B. Bernoullis theorem

C. Venture relation

D. All

A. directed away from the centre

B. along the axis of rotation

D. directed towards the centre

A. Percentage uncertainties are divided

B. Absolute uncertainties are divided

D. Absolute uncertainties are added

A. all of the above

B. the intensity of incident light

D. the threshold frequency for the metal surface

A. IR-rays

B. UV-rays

D. X-rays

A. Vt = gr2?

B. Vt = gr2/9?

D. Vt = 9gr2/2?

A. Turbulent

C. Irregular

D. Straight line

A. 4?R

B. 2? R

D. ?R

A. Acceleration is zero

B. P.E is zero

D. Restoring force is zero

A. Spring

B. Hand

D. All of these

A. Becomes double

B. Becomes half

C. First increases then decrease because of the curvilinear graph

A. fe/fo

B. fo+fe

C. (1+fo/fe)L/fo

B. list distance of distinct vision

C. increase with increase in focal length

D. no effect with decrease or increase with focal length

B. The velocity of the fluid is constant

C. The volume of the fluid is constant

D. The flow of the fluid is the straight line

A. Negative work

B. Minimum work

D. Maximum work

A. 10 Raised to power 3

B. 10 Raised to power 2

D. 10 Raised to power -1

A. Centripetal force

C. Frictional force

D. Coulomb force

B. fo / fe

C. fe / fo

D. fo fe

A. double than its translational K.E

B. half than its translational K.E

D. four times than its translational K.E