A. The scattering of sunlight by air molecules
B. The presence of water vapor
C. Absorption of blue light by the air
D. Emission of blue light by the atmosphere
Submitted by: Mansoor Ul Haque
Related Mcqs:
- The blue colour of clear sky is due to_______________?
A. Reflection of light
B. Refraction of light
C. Diffraction of light
D. Dispersion of light - Stars in the sky appear to twinkle due to _________?
A. a series of refractions
B. a series of reflections
C. a surface tension phenomenon
D. multiple diminishing brightnessSubmitted by: Abid Hussain
- The most splendid and the most magnificent constellation on the sky is?
A. Orion
B. Columbia
C. Canis Major
D. Taurus
E. None of these - The sky appears blue because the earth’s atmosphere __________?
A. Scatters blue light
B. Reflects blue light
C. Transmits blue light
D. Has actual blue cover - Which one is the brightest star in the night sky?
A. Betelgeuse
B. Sirius
C. Rigel
D. PolarisSubmitted by: Mansoor Ul Haque
- An astronaut sees the colour of the sky as: _________?
A. Blue
B. White
C. Red
D. BlackSubmitted by: Abid Hussain
- Which planet looks reddish in the night sky ?
A. Jupiter
B. Saturn
C. Mars
D. MercurYSubmitted by: Muhammad Umar Abbas
- Optic fibers are mainly used for which of the following:
A. Communication
B. Weaving
C. Food indudtry
D. None of theseSubmitted by: Fahad Mehsud
- The ‘Solar Corona’ mainly consists of?
A. Gases
B. Ice
C. Molten lava
D. Cosmic raysSubmitted by: Saqlain hydar
- Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________.
A. Saturn, Jupiter, Hydrogen
B. Uranus, Neptune, Nitrogen
C. Saturn, Neptune, Nitrogen
D. Mars, Venus, HydrogenSubmitted by: Muhammad Abdullah
