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101. Which one of the following materials will have maximum sound velocity?
102. The known forces of nature can be divided into four classes, viz, gravity, electromagnetism, weak nuclear forces and strong nuclear force. With reference to them, which one of the following statements is not correct?
- A. Gravity is the strongest of the four
- B. Electromagnetism acts only on particles with an electric charge
- C. Weak nuclear force causes redioactivity
- D. Strong nuclear force holds protons and neutrons inside the nucleus of an atom
- Check Answer | Discussion
103. A person standing at the middle point of a wooden ladder which starts slipping between a verticle wall and the floor of a room while continuing to remain in a vertical planeThe path traced by a person standing at the middle point of the slipping ladder
104. Which one of the following statements is correct?
- A. Both proton and neutron reside inside the nucleus
- B. Only electron resides inside the nucleus
- C. Both electron and proton reside inside the nucleus
- D. Both electron and neuron reside inside the nucleus
- Check Answer | Discussion
105. A truck and car are moving with equal velocity. On applying the brake both will stop after certain distance then which one of the following statements is correct?
- A. The truck will cover less distance before rest
- B. The car will cover less distance before rest
- C. Both will cover equal distance
- D. None of the above
- Check Answer | Discussion
106. The beverage 'coconut milk' of green coconut is the
107. Which of the following has the least penetrating power?
108. Which one of the following is deviated by an electric field?
109. Metal used to make wires for safety fuses must have
- A. very low resistivity and high melting point
- B. high resistivity and low melting point
- C. low resistivity and low melting point
- D. high resistivity and high melting point
- Check Answer | Discussion
110. The ultimate cause of water movement in a plant stem against gravity is
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