(a) 4 ve (b) 2 ve (c) ve …
(a) Positive (b) Negative (c) Zero (d) May be positive or negative depending upon its initial velocity Answer: b (8)
(a) gr (b) √2gr (c) g/r (d) r/g Answer: b (4)
(a) 22 km/sec (b) 11 km/s (c) 5.5 km/sec (d) 15.5 km/sec Answer: a (6)
(a) 2 (b) √ 2 (c) 1/√2 (d) √3 Answer: b (7)
(a) m2 (b) m (c) m0 (d) m-1 Answer: c (7)
(a) 11.2 m/sec (b) 112 km/sec (c) 11.2 km/sec (d) 11200 km/sec Answer: c (9)
(a) I and II (b) II and IV (c) I and IV (d) I, III and IV Answer: c (4)
(a) Infinity (b) √2 gR (c) 2√gR (d) Zero Answer: b (8)
(a) 1/4 (GMm /R) (b) 1/6 ( (GMm /R) (c) 2/3 (GMm /R) (d) 1/3 (GMm /R) Answer: b (42)
(a) Must be variable (b) Must be constant (c) Cannot be zero (d) Must be zero Answer: b (10)
(a) 1/R (b) 1 /√R (c) R …
(a) mgR/2 (b) 2 mgR (c) mgR (d) mgR/4 Answer: c (4)
(a) GMm/ 12R2 (b) GMm/ 3R2 (c) GMm / 8R (d) GMm / 6R Answer: d (6)
(a) 2/3 mgR (b) 3/4 mgR (c) mgR/2 (d) mgR/4 Answer: b (5)
(a) – 5000 J (b) – 1000 J (c) – 2400 J (d) 5000 J Answer: A (5)
(a) -2 mgR e (b) 2 mgR e (c) 1/2 mgR e (d) -(1/2) mgR e Answer: d (4)
(a) Gm/R2 (b) g (c) Zero (d) None of these Answer: c (10)
(a) 1/9 m (b) 1/10 m (c) 1/11 m (d) 10/11 m Answer: c (5)
(a) 2R (b) 3R (c) 4R (d) 5R Answer: c (11)
(a) √GM/2R (b) GM/R (c) 2√GM/R (d) GM/2R Answer: b (4)
(a) mgR n/n-1 (b) nmgR (c) mgR n2/n2+1 (d) mgR n/n+1 Answer: …
(a) 3.80×108 metres (b) 3.37 ×106 metres (c) 7.60×104 metres (d) 1.90×102 metres Answer: a (44)
(a) Is the same at all points in the orbit (b) Is greatest when it is closest to the earth (c) Is greatest when it is farthest from the earth (d) Goes on increasing or decreasing continuously depending upon the …
(a) 8 km/sec (b) 11.2 km/sec (c) 4 km/sec (d) 6 km/sec Answer: a (11)
(a) Revolves about the polar axis (b) Has a time period less than that of the near earth satellite (c) Moves faster than a near earth satellite (d) Is stationary in the space Answer: a (12)
(a) 12 V (b) 6 V (c) 4/3 V (d) 3/2V Answer: b (7)
(a) Period is greater than the period of rotation of the earth (b) Period is less than the period of rotation of the earth about its axis (c) Period has no relation with the period of the earth about its …
(a) The mass of the satellite only (b) The radius of the earth only (c) The orbital radius only (d) The mass of the earth only Answer: b (9)
(a) The mass of the planet (b) The radius of the planet (c) The mass of the satellite (d) All the three parameters (a), (b) and (c) Answer: c (9)
(a) 3.5 km/s (b) 7 km/s (c) 72 km/s (d) 14 km/s Answer: a (14)
(a) 24 hours (b) 12 hours (c) 365 days (d) One month Answer: a (13)
(a) Mass of the earth (b) Mass of the satellite (c) Radius of the earth (d) Acceleration due to gravity Answer: b (13)
(a) Increase by 1% (b) Increase by 0.5% (c) Decrease by 1% (d) Decrease by 0.5% Answer: b (4)