A. Of refraction
B. It is cooler at sunrise and at sunset
C. Of diffraction leading to red end of the spectrum reaching the earth
D. Of scattering of light due to dust particles and air molecules
Answer
Submitted by: Toheed Ahmed
A. Of refraction
B. It is cooler at sunrise and at sunset
C. Of diffraction leading to red end of the spectrum reaching the earth
D. Of scattering of light due to dust particles and air molecules
Submitted by: Toheed Ahmed
A. The mass of the astronaut is reduced to zero
B. The astronaut and the spacecraft are both in a free-falling state
C. Gravity inside the spacecraft ceases to act
D. The astronaut is outside the influence of the earth’s gravitational force
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A. One fourth
B. One tenth
C. One third
D. One fifth
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A. 80%
B. 65%
C. 72%
D. 60%
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A. Mesosphere
B. Troposphere
C. Stratosphere
D. Ionosphere
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A. Equilibrium
B. Mechanical Energy
C. Dispersion
D. Absolute scale
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A. Mercury
B. X-Rays
C. Copper
D. Mechanical Energy
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A. Equilibrium
B. Gamma Rays
C. Copper
D. Dispersion
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A. 1/6th i.e. 100kg
B. 1/3th i.e. 300kg
C. 1/5th i.e. 500kg
D. 1/4th i.e. 400kg
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A. Equilibrium
B. Force
C. Mechanical Energy
D. Pressure
Submitted by: Toheed Ahmed