A. 9.5x1015m
B. 9.5x1015sec
C. 9.5x1015Km
D. 9.5x1015cm
Related Mcqs:
- In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?
A. Becomes double
B. Remains same
C. Becomes half
D. First increases then decrease because of the curvilinear graph - The unit of radioactivity curie is equal to________________?
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec - Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?
A. Amplitude
B. Square of the amplitude
C. 2 x amplitude
D. 4 x amplitude - The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?
A. 30°
B. 60°
C. 90°
D. 120° - The total energy of a body executing S.H.M is directly proportional to________________?
A. The square root of amplitude
B. The amplitude
C. Reciprocal of amplitude
D. Square of an amplitude - The working of transistor as amplifier is similar to________________?
A. Step up transformer
B. Step down transformer
C. Three diodes in common
D. Triode vacuum tube - The Fahrenheit and centigrade scales agree to________________?
A. 40
B. 15.5
C. 542
D. 273 - In monochromatic red light a blue book will probably appear to be_________________?
A. black
B. purple
C. green
D. no scientific reasoning available - A light ray traveling form rarer to denser medium suffers a phase change of__________________?
A. 60°
B. 90°
C. 180°
D. 45° - If a diffraction grating is placed in the path of a light beam it reveals______________?
A. Wave property
B. Particle property
C. Energy particle
D. Electromagnetic wave property
