Questions in Ray Optics and Optical Instruments

Select	Question
	The field of view is maximum for
	The focal length of a concave mirror is f and the distance from the object to the principle focus is x. The ratio of the size of the image to the size of the object is
	Image formed by a convex mirror is
	In a concave mirror experiment, an object is placed at a distance ${x_1}$ from the focus and the image is formed at a distance ${x_2}$ from the focus. The focal length of the mirror would be
	A convex mirror is used to form the image of an object. Then which of the following statements is wrong
	Given a point source of light, which of the following can produce a parallel beam of light
	The image formed by a convex mirror of focal length $30cm$ is a quarter of the size of the object. The distance of the object from the mirror is
	A boy stands straight infront of a mirror at a distance of $30cm$ away from it. He sees his erect image whose height is $\frac{1}{5}th$of his real height. The mirror he is using is
	A person sees his virtual image by holding a mirror very close to the face. When he moves the mirror away from his face, the image becomes inverted. What type of mirror he is using
	Which one of the following statements is true