isFlame Institute

Home
is

1. When an ideal diatomic gas is heated at constant pressure, the fraction of the heat energy supplied which increases the internal energy of the gas, is

(a) 2/5 (b) 3/5 (c) 3/7 …

Read More

25. In a capillary tube, water rises by 1.2 mm. The height of water that will rise in another capillary tube having half the radius of the first, is

(a) 1.2 mm (b) 2.4 mm (c) 0.6 mm (d) 0.4 mm Ans. b (5)

Read More

20. Force necessary to pull a circular plate of 5 cm radius from water surface for which surface tension is 75 dynes/cm, is

(a) 30 dynes (b) 60 dynes (c) 750 dynes (d) 750 π dynes Ans. d (39)

Read More

123. The speed of a homogeneous solid sphere after rolling down an inclined plane of vertical height h, from rest without sliding, is

(a) √(10/7 gh) (b) √(gh) (c) √(6/5 gh) (d) √(4/3 gh) Ans. a (7)

Read More

error: Content is protected !!