Q. The value of internal resistance of an ideal cell is -
1) zero
2) 0.5 r
3) 1 r
4) infinite
Q. You arc travelling in a car during a thunder storm. In order to protect yourself from lightning would you prefer to -
1) remain in the car
2) take shelter under a tree
3) get out and be flat on the ground
4) touch the nearest electric pole
Q. A sextant Is used to measure -
1) area of a hill
2) breadth of a tower
3) height of an object
4) volume of a building
Q. Just before time of Sunrise or Sunset, the Sun appears to be oval because -
1) the Sun changes its shape at that time
2) of the scaltering of light
3) of the effect of refraction
4) of the effect of diffraction
Q. If an object is placed between two parallel plane mirrors, the number of images formed is -
1) Four
2) One
3) Two
4) Infinite
Q. pH value for alkaline solution is always -
1) 7
2) less than 7
3) more than 7
4) None of the above
Q. One Kilobyte (1 KB) in binary system is equivalent to -
1) 1000 Bytes
2) 1024 Bytes
3) 1000 Bits
4) 1024 Bits
Q. The first electronic Digital Computer of the world, is -
1) ENIAC
2) SIDHARTH
3) PARAM
4) MEDHA
Q. The planet nearest to Sun is -
1) Mercury
2) Mars
3) Earth
4) Venus
Q. Fans, bulbs and tubes etc. in houses are fitted in -
1) Series order
2) Parallel order
3) Mixed order
4) Any order
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