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HomePhysicsR is the radius of the earth and  ω  is its angular velocity and  gp  is the value of g at the poles. The effective value of g at the latitude λ = 60°  will be equal to

R is the radius of the earth and  ω  is its angular velocity and  gp  is the value of g at the poles. The effective value of g at the latitude λ = 60°  will be equal to

(a)    gp – 1/4 Rω2                       (b)   gp – 3/4  Rω2

(c)   gp  –  Rω2                       (d)  gp + 1/4  Rω2

Answer: a

(7)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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