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A converging thin lens with 50cm focal lens forms area/image that is 2.5 times larger than the object. How Far is the object from the image.
Focal length of convex lens used for reading Hallmark916 on gold ornaments
Explain INTERFERENCE.
Polly has 50 rose bushes. She counts the number of flowers on 10 of them.
The number of flowers on each rose bush is:
9, 2, 5, 4, 12, 7, 8, 11, 9, 3
Find the standard deviation of the number of flowers on a rose bush. State your answer to 1 decimal place.
what electrostatic force would exist between a point charge with a charge of 5.35x10 -7C and a second point charge with a charge of -7.73x10 -6C if the two charges were separated by a distance of 4.11x10 -2?
Explain Youngs double experiment with a monochromatic light source showing the wave model for light. (No more than 200 words)
A compound microscope has lenses of focal length 1.0cm and 5.0cm. An object is placed 1.2cm from the objective lens. If a virtual image is formed 25cm from the eyepiece, calculate the distance between the two lenses
In what two positions will a converging lens of focal length 7.5 cm form images of an object on a screen 40 cm from the object?
Suppose you are located 180 m from a radio transmitter.What if this station is 98.1 FM? (The FM band frequencies are in megahertz.)
The velocity of light in air is 3.0 × 108 ms-1. The velocity of light in glass is 1.9 × 108 ms-1.Calculate the refractive index of glass.
