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If vₑ is escape velocity and v(o) is orbital velocity of a satellite for orbit close to the earth’s surface, then these are related by:
Options
(a) v(o) = √2 vₑ
(b) v(o) = vₑ
(c) vₑ = √(2 v(o))
(d) vₑ = √2 v(o)
Correct Answer:
vₑ = √2 v(o)
Explanation:
vₑ = √(2GM / R)
v(o) = √(GM / R)
vₑ = √2 v(o)
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Fusion reaction takes place at high temperature because
- A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
- “On flowing current in a conducting wire the magnetic field is produced around it”.
- Which wavelengths of sun is used finally as electric energy?
- The wavelength of kα, X-rays produced by an X-ray tube 0.76Å. The atomic number
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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