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What is the difference between a lens and a mirror?
A mirror is a reflective surface. Light passes by the glass and hits the silver backing, reflecting off of it. (The angle of reflection equals the angle of incidence.)
A lens, on the other hand, does not reflect light; it refracts it. After entering the glass, light refracts in a different way depending on the shape of the lens and also makes a focal point where the refracting light comes to a point. This varies for different lenses -- convex or concave -- which is why there are dissimilar lenses for different types of eyeglasses.
Q. Two slits 0.3 mm separately are illuminated by light of wavelength 4500 0A. The screen is placed at a distance 1m from the slits. Find the separation among the second bright fri
Example of like and unlike parallel forces
According to Hooke's law, within elastic limit, stress strain or stress = E Χ strain or Stress / Strain= E = a constant, Where E is called a
Tipler machine: A solution to Einstein's equations of general relativity that let time travel. A very dense (on the order of the density of neutron star matter), infinitely-lo
Can you write me a paper
A rock is thrown upward with a speed of 26 m/s. How long after it is thrown will the rock have a velocity of 48 m/s toward the ground?
100 =6=4=9=7=9
what is the speed of light
When wave emitted by a self luminous object is dispersed by a prism to get the spectrum, the spectrum is known as emission spectrum.
Working of Compound Microscope: The object under examination is placed in front of the objective. The objective forms it's real and inverted image with in the focal length of t
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