A. The velocity of light
B. Its reluctance
C. Its impedance
D. Its
specific heat
182. The radius of the circular path of a
charge particle moving at right angles to a uniform magnetic field is directly proportional to
the?
A. Flux density
B. Momentum of the particle
C. Wave length
of ht radiation
D. Charge on
the particle
183. A person cannot see distinctly objects
situated at a distance greater than 60 cm from the eye. The power (in diopters) of the lens he
must use for the spectacles to correct the defect is?
A. 1.67 D
B. -1.67 D
C. -50 D
D. +60 D
184. When we decrease the diameter of the
objective lens of a telescope, then the resolution of telescope?
A. Decreases
B. Remains the
same
C. Depends
on the focal length of the lens
D. Increases
185. A astrono0mical telescope has a
magnifying power of 8 when focuses for parallel for parallel rays. If the length of the
telescope be 18 cm, the focal length of the objective is?
A. 16 cm
B. 10 cm
C. 144 cm
D. 2.25 cm
186. The vibrations of an unpasteurized light
are taking place?
A. In all planes
B. In one
plane
C. In no
plane
D. All are
true
187. The quantity of the charge that passes
through a conductor while a current of 5.0. A flows through it for 100S (in coulombs) is?
A. 1800
B. 1000
C. 500
D. None of
these
188. Lenz's law in E.M.I follows from Law of
Conservation of?
A. Energy
B. Momentum
C. Mass
D. Charge
189. The longitudinal chromatic aberration for
an incident parallel beam of light on a lens of unit focal length is
numerically equal to?
A. Reciprocal
of its dispersive power
B. Its dispersive
power
C. Its focal length
D. None of
these
190. A magnet makes 5 oscillations per minute
in earth's magnetic field (H = 0.3 Gauss). By what amount the field should be increased so that the magnet
may make 10 oscillations per minute?
A. 0.3 Gauss
B. 0.6 Gauss
C. 0.9 Gauss
D. 1.2 Gauss
0 comments:
Post a Comment
Hello!
Although Every Comment is Appreciated. Feedback, Suggestions, Any Question Comment Below Be Carefully & Feel Free. Admin Will Give You Answer of Your Question in Just Within 12 Hours.