State Engineering Entrances - East & West India (WBJEE & GUJCET)

Thermodynamics & Solid State question bank (Applied Physics & Physical Chemistry)

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Q1.
[Engineering Physics - CET Assessment #1] A body of mass m is projected from the surface of Earth (radius R, mass M) with escape velocity v_e. What is the expression for v_e?

(A)
v_e = √(GM / 2R)
(B)
v_e = 2√(GM / R)
(C)
v_e = √(GM / R) = √(gR)
(D)
v_e = √(2GM / R) = √(2gR)
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Q2.
[Engineering Physics - CET Assessment #3] A body of mass m is projected from the surface of Earth (radius R, mass M) with escape velocity v_e. What is the expression for v_e?

(A)
v_e = 2√(GM / R)
(B)
v_e = √(GM / 2R)
(C)
v_e = √(GM / R) = √(gR)
(D)
v_e = √(2GM / R) = √(2gR)
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