September 27, 2014

Quiz 17- Physics -General Science: General Knowledge Question & Answers

161 Q) "Consider the following statements with reference to total internal reflection
 I.Shinning of diamond. 
II.Formation of mirage. 
Which of the statements given above is/are correct?. "

(a) Only I
(b) Only II
(c) Both I and II II
(d) Neither I nor

162 Q) "A radar beam is sent onto a moving aeroplane in opposite direction of its approach. In which of these way it will be affected?. "

(a) Its wavelength decreases
(b) Its wavelength increases
(c) It remains unaffected
(d) None of the above

Bit Bank from Various Competitive Exams, General Science Physics Chemistry & Biology Questions asked in Many Civil Service Exams with Key, Quiz on General Knowledge Questions & Answers for UPSC IAS, SSC, Bank Po, Railway, APPSC & TPSC
163 Q) If the spinning speed of the earth is increased then the weight of body at the equator

(b) decreases
(c) doubles
(d) does not change

164 Q) "Which one of the following is used to determine the age of human fossils? "

(a)Density determination of fossil
(b)Softness of the fossil
(c)Radio-carbon dating
(d)Water content of the fossil

165 Q) "Now a day, most of buildings are made by having at least two layers of walls with a gap in between. Because "

(a)it makes the building stronger
(b)it prevents see page from outside
(c)it protects the building from lightning
(d)it helps in keeping the inside cooler in summer and warmer in winter

166 Q) "Gases begin to conduct electricity at the low pressure because "

(a)at low pressure gases turn into plasma
(b)colliding electrons can acquire higher KE due to increased mean free path leading to ionisation of atoms
(c)atoms break up into electrons and protons and electron started conducting electricity
(d)the electrons in the atom move freely in low pressure

167 Q) "Which of the following is true when the cells are connected in series? "

(a)Current capacity increases
(b)Current capacity decreases
(c)The emf increases
(d)The emf decreases

168 Q) When the light is passed through a prism, the colour which deviates least is

(b) green
(c) violet
(d) blue

169 Q) "SONAR is mostly used by "

(b) engineers
(c) astronauts
(d) navigators

170 Q) Match List I with List II and select the correct answer using the codes given below the list
List I
List II
A. Radioactivity
1. Roentegen
B. Relativity
2. Isaac Newton
C. Gravitation
3. Albert Einstein
D. X-rays
4. Henry Bacquerel
(a) 2 4 3 1
(b) 2 1 4 3
(c) 4 3 2 1
(d) 4 1 2 3


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