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General Science Question Bank Important for competitive examinations.

Question No. 1: For which purpose Diode is used?

Question No. 2: Who among the following developed the technology of underground nuclear explosion?

Question No. 3: Which among the following types of coal produces most heat per unit?

Question No. 4: Which among the following waves is used for communication by artificial satellites?

Question No. 5: What is found in frequency modulation?

Question No. 6: When the speed of car is doubled then what will be the braking force of the car to stop it in the same distance ?

Question No. 7: The dimension of which of the following is the same as that of Impulse?

Question No. 8: Which among the following is the fundamental quantity?

Question No. 9: If the diameter of a capillary is doubled then the rise of water in it will be:

Question No. 10: Why the needle of iron swims on water surface when it is kept gently?

Question No. 11: The mass of a star is two times the mass of the Sun. How it will come to an end ?

Question No. 12: Rain drops fall from great height. Which among the following statements is true regarding it?

Question No. 13: On which of the following techniques photo state machine works?

Question No. 14: One Kilowatt Hour is equal to:

Question No. 15: What is the minimum escape velocity of rocket to be launched into space?

Question No. 16: Which of the following statements is true when we see rainbow ?

Question No. 17: The splitting of different colours of light in a prism is:

Question No. 18: A boat will submerge when it displaces water equal to its own:

Question No. 19: Two waves each of amplitude 5 mm and frequency 10 Hz are travelling in opposite direction with a speed of 20 mms. The distance in mm between adjacent nodes is :

Question No. 20: The snow on the mountains does NOT melt all at once when it is heated by the sun because:

Question No. 21: A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is:

Question No. 22: Holography is a technique of:

Question No. 23: An ice block with a piece of lead embedded in it floats in water. If ice melts the water level:

Question No. 24: The velocity of heat radiation in vacuum is:

Question No. 25: The plastic material commonly used for making gear wheels is:

Question No. 26: Which of the following is used in oven?

Question No. 27: When heated from 0 degree to 10 degree celsius volume of a given mass of water will:

Question No. 28: Energy is continuously created in the sun due to:

Question No. 29: Coolis tube is used to produce:

Question No. 30: Which of the following is used for regulated electric supply?