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September 22, 2014

Quiz 1- Physics -General Science: General Knowledge Question & Answers

1 Q) "Which of the following waves can propagate in a vacuum and select the correct answer using the codes given below the list? I. Radio waves III. X-ray II. Lightwave IV. Ultrasonic sound "

"Codes (a) I, II, III and IV (b) I, II and III (c) II, III and IV (d) III and IV"


2 Q) "Consider the following statements with reference to X-rays I. They produce heat when absorbed by matter. II. They are generated when fast moving electron strike a metal target. III. They can penetrate through a thin sheet of aluminium. "

"Which of the following statements given above are correct? (a) I, II and III (b) I and II (c) I and III (d) II and III"


3 Q) "Which of the following statements is/are true? 1. The angle of the axis in relation to the planer in which the earth revolves around the sun is not constant. 2. The amount of energy given off by the sun changes with the transparency of the atmosphere. "

"Select the correct answer using the codes given below (a) Only 1 (b) Only 2 (c) Both 1 and 2 (d) Neither 1 nor 2"



4 Q) "In terms of magnetic properties, oxygen belongs to "

"(a) magnetic materials (b) ferromagnetic materials (c) paramagnetic materials (d) diamagnetic materials"


5 Q) "An objects is placed at the focus of a concave mirror. The image will be "

"(a) real, inverted, same size at the focus (b) real, upright, same size at the focus (c) virtual, inverted, highly enlarged infinity (d) real, inverted, highly enlarged at infinity"


6 Q) "Which of the following statements given below is correct in the respect of a geostationary satellite? "

"(a) It moves in a plane containing the Greenwich meridian (b) It moves in a plane perpendicular to the celestial equatorial plane (c) Its height above the earth's surface is about the same as the radius of the earth (d) Its height above the earth's surface is about the six times the radius of the earth"


7 Q) "What will happen if the star having mass greater than five times of the Sun is dead? "

"(a) White dwarf will form (b) Neutron star will form (c) Black hole will form (d) Nebula will form"


8 Q) "A current I flows through a potential difference V in an electrical circuit containing a resistance R. The product of V and I i.e., VI may be understood as "

"(a) resistance - R (b) heat generated by the circuit (c) thermal power radiated by the circuit (d) rate of change of resistance"


9 Q) "In general what is the range of frequency of the ""Message Signal""? "

(a) Radio frequency (b) Audio frequency (c) Both 'a' and 'b' (d) Neither 'a' nor 'b'


10 Q) "Gravitational force shares a common feature with electromagnetic force. In both cases, the force is "

"(a) between massive and neutral objects (b) between charged objects (c) a short range (d) a long range"

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