Advertisements
Advertisements
प्रश्न
Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of escape velocity `"V"_"A"/"V"_"B"` is ______.
पर्याय
2
`sqrt2`
`1/sqrt2`
`1/2`
MCQ
रिकाम्या जागा भरा
Advertisements
उत्तर
Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of escape velocity `"V"_"A"/"V"_"B"` is 2.
Explanation:
ve = `sqrt((2 "GM")/"R")`
= `sqrt((2"G")/"R" xx 4/3 π"R"^3ρ)`
`"v"_"e" ∝ "R"`
`"V"_"A"/"V"_"B" = "R"_"A"/"R"_"B" = 2/1`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
