Physics Past Questions and Answers

During a thunderstorm, the sound is heard over a long time. this phenomenon is referred to as

In comparing the camera and the human eye, the film of the camera function as the

An object 4 cm high is placed 15 cm from a concave mirror of focal length 5 cm. The size of the image is

An object is embedded in a block of ice, 10 cm below the plane surface. if the refractive index of the ice is 1.50, the apparent depth below the surface is

Which of the following is used for the correction of short sightedness?