(a) 100% (b) 41.4% (c) 50% (d) 59.6% Answer: b (4)
(a) Oogamy (b) Anisogamy (c) Isogamy (d) Isogamy and oogamy both Ans. c (8)
(a) 1 kg m2 (b) 0.1 kg m2 (c) 2 kg m2 (d) 0.2 kg m2 Ans. b (11)
(a) It is a freely falling body (b) It suffers no acceleration (c) It is moving with a constant speed (d) Its angular momentum remains constant Answer: b (7)
(a) L = 500 cm, d = 0.05 mm (b) L = 200 cm, d = 0.02 mm (c) L = 300 cm, d = 0.03 mm (d) L = 400 cm, d = 0.01 mm Answer-d (11)
(a) A cylinder of same mass but of smaller radius (b) A cylinder of same mass but of larger radius (c) A cylinder of same radius but of smaller mass (d) A hollow cylinder of same mass and same radius …
(a) 1/4 (GMm /R) (b) 1/6 ( (GMm /R) (c) 2/3 (GMm /R) (d) 1/3 (GMm /R) Answer: b (34)
a. Si – O – Si linkage b. O – Si – O linkage c. Si – C – linkage d. Si – S – O linkage Ans. a (8)
24.To double the length of a iron wire having area of cross-section 0.5 cm2, the required force will be (Y=1012 dyne/cm2) (a) 1.0×10-7 N (b) …
a. Polymers b. Copolymer c. Addition d. Condensation polymer Ans. b (30)
(a) Half (b) Same (c) Double …
(a) Equal to that on A (b) Four times that on A (c) Two times that on A (d) Half that on A Explanation-B (21)
(a) v/R (b) Continuously increasing (c) Dependent on mass (d) Independent of radius (R) Ans. a (52)
(a) 1/5 (b) 5/2 (c) 3/5 (d) 5/7 Ans. b (6)
(a) GM/R2 (b) m0 (c) mM (d) 1/R3/2 …
(a) Angular velocity and total energy (kinetic and potential) (b) Total angular momentum and total energy (c) Angular velocity and moment of inertia about the axis of rotation (d) Total angular momentum and moment of inertia about …
(a) 8 (b) 6 (c) 4 (d) 2 Ans. d (5)
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(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) Green algae (b) Brown algae (c) Red algae (d) Blue green algae Ans. c (8)
(a) R2 (b) R–2 (c) R4 (d) R–4 Answer: c (17)
(a) It is a force (b) It has no unit (c) It has same value in all systems of units (d) It depends on the value of the masses (e) It does not depend on the nature of the …
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) 10 m (b) 8 m (c) 6 m (d) 4 m Ans. d (38)
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) 1 rad/sec (b) 7 rad/sec (c) 5 rad/sec (d) √12 rad/sec Ans. c (467)
(a) 0.5 sec (b) 0.2 sec (c) 0.4 sec (d) 0.25 sec answer : a (29)
(a) 2.5 km/hour (b) 20 km/hour (c) 40 km/hour (d) 50 km/hour answer : c (4)
(a) Particle going in a circle (b) Particle going along a straight line (c) The momentum of the particle constant (d) Acceleration of the particle constant ANSWER: c (9)
(a) Zero (b) 500 N (c) 1000 N (d) 2000 N ANSWER : b (10)
(a) 0.3 N (b) 30 N (c) 300 N (d) 3000 N ANSWER : b (6)
(a) π rad/sec (b) 2π rad/sec (c) 4 π rad/sec (d) 4π2 rad/sec Ans. c (16)
(a) (KL+KM+LM)/3 (b) (KL+KM)/3 (C) (KL+LM)/3 (d) (KM+LM)/3 Ans. b (31)
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