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An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water.
He can tell if it is a real pool of water or a mirage by putting on his polarized sun glasses because:
a) The mirage is polarized and reflections from the water are not
b) Reflections from water are polarized while the mirage is not
c) Neither are polarized so one will not be able to discern a difference
d) Both are polarized so one will not be able to discern a difference
Ans- Reflections from water are polarized while the mirage s not
why raise in ppotential is taken as positive
N-Type Substances: When a small quantity of Arsenic or Phosphorous (group VA elements) is added to silicon or Germanium, it becomes good conductor of negative charges, such a s
michelson interferometer principle
INTERFERENCE and DIFFRACTION: INTERFERENCE: The physical effect of super position of waves from two sources vibrating with same frequency and amplitude is called the interfere
Polarization: The dipole moment per unit volume of the solid is the sum of all the individual dipole moments within that volume and is called as 'Polarization' P of the solid.
Inertia in a pile of books Stack up a pile of books. Grasp hold of the single at the bottom of the pile and give it a quick jerk. Can you delete it without upsetting the whole
how does a magnifying glass work to produce a large or smaller image?
for 2013
what is magnitisam?how north pole and south pole takes part in it?
Two long wires 'P' and 'Q', carrying equivalent currents of 5 Ampere and the distance among the wire is 5 cm. Determine the force applied on each wire if a. Current flowing in
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