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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.
Fig- detremines a square loop Made from a uniform wire. Determine the magnetic field at the centre of the square if a battery is connected among the points A and C.
1. How fast must an object travel for its total energy to be (a) 1% more than its rest energy and (b) 99% more than its rest energy. 2. A proton is moving with a constant speed
2. Surface Crystallography and Epitaxy Fe thin films are grown on a single-crystal Al (100) substrate surface. The films grow with no dislocations (if they are thin enough) which
Meissner effect (W. Meissner; 1933): The reduction of the magnetic flux in a superconducting metal while it is cooled below the transition temperature. i.e., superconducting m
what is proton neuton hypothysis
Explain and write about sonar
Calculates the total magnetic flux in ring
Any thermodynamic procedure which takes place in a system without the exchange of heat with the surroundings.
Radar: The term radar is used for radio detection and ranging. Radar having of three types of devices, a transmitter, a receiver and indicator devices. It has very high frequen
A convex lens of refractive index 1.5 of focal length 0.2m is immersed in water of refractive index 1.33. Determine the focal length of lens in water.
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