You Are On Question Answer Bank SET 2324
116201. Which orbit is Dum-bell shaped?
116202. Meson was discovered by?
116203. The photoelectric effect is described as the ejection of electrons from the surface of a metal when?
Answer: Light of suitable wavelength falls on it
116204. The charge on positron is equal to the charge on?
116205. Positive ions are formed from neutral atoms by loss of?
116206. Cathode rays are?
Answer: Stream of electrons
116207. How many electrons are there in Na+?
116208. How many moles are there in 140 g of Si(atomic mass of silicon is 28)?
116209. Nuclear particles responsible for holding all nucleons together are?
116210. Cathode rays can be deflected by?
Answer: Both types of fields
116211. Structure of solids is investigated by using?
116212. The most suitable unit for expressing nuclear radius is?
116213. Erg sec is the unit of?
Answer: Planck’s constant
116214. Maxwell is the unit of?
Answer: Magnetic flux
116215. Unit of solid angle is?
116216. Pick out the only scalar quantity?
116217. Five equal forces of 10 N each are applied at one point and all are lying in one plane. If angles between them are equal, the resultant of these forces wil be?
116218. Bernoulli’s principle does not explain?
Answer: Lift of a jet
116219. An ideal liquid flows through a horizontal tube of variable diameter. The pressure is lowest where the?
Answer: Velocity is highest
116220. When a fluid passes through the constricted part of a pipe its?
Answer: Velocity increases and pressure decreases
116221. The rate of leak from a hole in a tank is?
Answer: More if situated near the bottom
116222. Dynamic lift is related to?
Answer: Bernoulli’s theorem
116223. A gale blows over a house. The force due to the gale on the roof is?
Answer: In the upward direction
116224. 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?
Answer: Rise to height h
116225. The velocity of flow of a liquid through an orifice at the bottom of a tank depends on the?
Answer: Both (b) and (c)
116226. An application of bernoulli’s equation for fluid flow is found in?
Answer: Dynamic lift of an aeroplane
116227. What is the SI unit of pressure?
116228. An object with a constant speed?
Answer: Is always accelerated
116229. Distance of stars is measured in?
Answer: Light year
116230. Earliest thermometer was developed by?
116231. SI unit of temperature is?
116232. The correct value of 00C on the Kelvin scale is?
116233. The change in temperature of a body is 500C. the change on Kelvin scale is?
116234. The temperature of a gas is measured with a?
116235. The temperature of the sun is measured with?
116236. Fahrenheit scale divides two fixed points into?
Answer: 180 Parts
116237. SI unit of heat is?
116238. When an object is heated, the molecules of that object?
Answer: Began to move faster
116239. At oK the velocity of the molecule is?
116240. If the earth were to stop rotating the value of ‘g’?
116241. If we move from the equator to a pole the value og ‘g’?
116242. The escape velocity of a particle of mass m varies as?
116243. If the earths were to skin faster, acceleration due to gravity at the poles?
Answer: Remains unchanged
116244. The total energy of a particle vibrating in S.H.M. is propotional to the squre of its?
116245. The young’s modulus for perfectly rigid body is?
116246. The Modulus of rigidity of a liquid is?
116247. The operating principle of a hydraulic press is?
Answer: Pascal’s principle
116248. A floating body always displaces liquid equal to its own?
116249. Bernoulli’s theorem is based on the conversation is?
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116250. Bernoulli’s theorem is applicable to?
Answer: Flow of liquids
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