- ANegative, positive.
- BPositive, negative.
- CPositive, positive.
- DNegative, negative.
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A ray passes through a prism of angle 60° in minimum deviation position and suffers a deviation of 30°. What is the angle of incidence on the prism
|
(a) 30° |
(b) 45° |
(c) 60° |
(d) 90° |
Neutrino is a particle, which is
|
(a) Charged and has spin |
(b) Charged and has no spin |
|
(c) Charge less and has spin |
(d) Charge less and has no spin |
Assuming that the dimmest visible star to the naked eye has a magnitude of about 6. Brightness of planet Venus (magnitude = – 4) w.r.t. this star is
|
(a) 10,000 times brighter |
(b) 2000 times brighter |
|
(c) 15000 times brighter |
(d) 4000 times brighter |
0.2 Fcapacitor is charged to 600 V by a battery. On removing the battery, it is connected with another parallel plate condenser of 1F. The potential decreases to
|
(a) 100 volts |
(b) 120 volts |
(c) 300 volts |
(d) 600 volts |