An astronaut sees the colour of the sky as: _________?

Related Mcqs:

1. 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

2. An astronaut inside a spacecraft is in a state of weightlessness. This implies that?

   A. The mass of the astronaut is reduced to zero
   B. Gravity inside the spacecraft ceases to act
   C. The astronaut is outside the influence of the earth’s gravitational force
   D. The astronaut and the spacecraft are both in a free-failing state

3. 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 brightness

   Submitted by: Abid Hussain

4. 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

5. 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

6. Which one is the brightest star in the night sky?

   A. Betelgeuse
   B. Sirius
   C. Rigel
   D. Polaris

   Submitted by: Mansoor Ul Haque

7. The blueness of the sky is mainly due to _____________?

   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

8. Which planet looks reddish in the night sky ?

   A. Jupiter
   B. Saturn
   C. Mars
   D. MercurY

   Submitted by: Muhammad Umar Abbas

9. A colour blind person cannot distinguish between _________?

   A. White & Yellow
   B. Red & Green
   C. Red & Black
   D. Green & Black

   Submitted by: Mansoor Ahmed Suhag

10. Which colour of light is deviated least ________.

    A. Red
    B. Blue
    C. Violet
    D. Green

    Submitted by: Yousuf Sanjrani