Assertion: X-ray astronomy is possible only from satellites orbiting the earth. Reason: Efficiency of X-rays telescope is large as compared to any other telescope.

Question

Assertion: X-ray astronomy is possible only from satellites orbiting the earth. Reason: Efficiency of X-rays telescope is large as compared to any other telescope. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

The earth’s atmosphere is transparent to visible light and radio waves, but absorbs X-rays. Therefore X- rays telescope cannot be used on earth surface.

Q. Assertion : X-ray astronomy is possible only from satellites orbiting the earth.
Reason : Efficiency of X-rays telescope is large as compared to any other telescope.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

The earth’s atmosphere is transparent to visible light and radio waves, but absorbs $X -$ rays. Therefore $X -$ rays telescope cannot be used on earth surface.

Q. Assertion : X-ray astronomy is possible only from satellites orbiting the earth. Reason : Efficiency of X-rays telescope is large as compared to any other telescope.