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Physics Questions and Answers

129. Crystals having low melting points are in
 
  • A. ionic bond
  • B. vander waal’s bond
  • C. metallic bond
  • D. covalent bond
 
 
130. What is the normal body temperature of a human body
 
  • A. 39.5° C
  • B. 35.8° C
  • C. 37° C
  • D. 98.6° C
 
131. A transformer is
 
  • A. transforms frequency
  • B. generates e.m.f
  • C. transforms energy
  • D. transforms voltage
 
132. Which one of the following is not electromagnetic in nature?
 
  • A. UV–rays
  • B. gamma rays
  • C. alpha rays
  • D. infra–red rays