MCQ
An astronaut in a spaceship see the outer space as
  • A
    White
  • Black
  • C
    Blue
  • D
    Red

Answer

Correct option: B.
Black
b
( b)As no scattering of light occurs. Space appears black.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A radio transmitter operates at a frequency of $880 \,kHz$ and a power of $10\,kW$. The number of photons emitted per second are
$A$ beam of light consisting of two wavelength $6300\, Å$ and $\lambda\, Å$ is used to obtain interference fringes in a Young's double slit experiment. If $4^{th}$ bright fringe of $6300\, Å$ coincides with $5^{th}$ dark fringe of $\lambda\, Å$, the value of $\lambda$ (in $Å$) is
The figure shows a network of resistors and $a$ battery. If $1\,A$ current flowsthrough the branch $CF$, then answer the following questions The current through
The ratio of the intensity at the centre of a bright fringe to the intensity at a point one-quarter of the fringwidth from the centre is
The resistivity of a semiconductor at room temperature is in between:
The angle between the electric lines of force and the equipotential surface is
Every atom makes one free electron in copper. If $1.1$ $ampere$ current is flowing in the wire of copper having $1\, mm$ diameter, then the drift velocity (approx.) will be (Density of copper $ = 9 \times {10^3}\,kg\,{m^{ - 3}}$ and atomic weight = $63$)
Two plane mirrors are placed parallel to each other at a distance $L$ apart.$A$ point object $O$ is placed between them, at a distance $L / 3$ from one mirror. Both mirrors form multiple images. The distance between any two images cannot be
An electron enters a chamber in which an uniform magnetic field is present as shown in figure. Ignore gravity. During its motion inside the chamber 
The capacity of the parallel plate capacitor increases when: