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Q1: Stephanie dips a glass rod into vegetable
Q1: The voltage induced in self-inductions is<br>A)always in
Q12: A measuring stick on a rapidly rotating
Q13: The critical angle is least in<br>A)glass.<br>B)water.<br>C)diamond.<br>D)vacuum.
Q16: According to Huygens' principle, every point on
Q39: According to general relativity, a photon emitted
Q45: In which material does light travel fastest?<br>A)glass<br>B)water<br>C)plastic<br>D)air<br>E)same
Q52: Iron absorption lines that occur in the
Q57: Which has more energy per photon?<br>A)red light<br>B)blue
Q63: A single raindrop illuminated by sunshine disperses<br>A)a