Basic-Science-Objective Related Question Answers
201. A gale blows over a house. The force due to the gale on the roof is?
In the upward direction
202. A large tank having a small hole at the bottom is filled with water to a height h. if the stream of water coming out of the hole is directed vertically upwards it will?
Rise to height h
203. The velocity of flow of a liquid through an orifice at the bottom of a tank depends on the?
Both (b) and (c)
204. An application of bernoulli’s equation for fluid flow is found in?
Dynamic lift of an aeroplane
205. What is the SI unit of pressure?
Pascal
206. An object with a constant speed?
Is always accelerated
207. Distance of stars is measured in?
Light year
208. Earliest thermometer was developed by?
Galileo
209. SI unit of temperature is?
Kelvin
210. The correct value of 00C on the Kelvin scale is?
27.315K
211. The change in temperature of a body is 500C. the change on Kelvin scale is?
50K
212. The temperature of a gas is measured with a?
Pyrometer
213. The temperature of the sun is measured with?
Pyrometer
214. Fahrenheit scale divides two fixed points into?
180 Parts
215. SI unit of heat is?
Joule
216. When an object is heated, the molecules of that object?
Began to move faster
217. At oK the velocity of the molecule is?
Zero
218. If the earth were to stop rotating the value of ‘g’?
Increases
219. If we move from the equator to a pole the value og ‘g’?
Increases
220. The escape velocity of a particle of mass m varies as?
m0
221. If the earths were to skin faster, acceleration due to gravity at the poles?
Remains unchanged
222. The total energy of a particle vibrating in S.H.M. is propotional to the squre of its?
Amplitude
223. The young’s modulus for perfectly rigid body is?
Infinite
224. The Modulus of rigidity of a liquid is?
0
225. The operating principle of a hydraulic press is?
Pascal’s principle
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