Question 511 MarkDefine the term Principle axis.AnswerThe principal axis is the straight line passing through the pole and the centre of curvature.View full question & answer→
Question 521 MarkDefine the term Centre of curvature.AnswerCentre of curvature is the centre of the imaginary sphere to which the mirror belongs.View full question & answer→
Question 531 MarkDefine the term Pole.AnswerPole is the centre of the reflecting surface, in this case, a spherical mirror.View full question & answer→
Question 541 Mark What kind of mirror is used in vehicles to see the traffic on the rear side? AnswerA convex mirror is used in vehicles to see the traffic on the rear side. View full question & answer→
Question 551 Mark Name the mirror which always produces an erect image of the objects. AnswerThe convex mirror always produces an erect image of the object. View full question & answer→
Question 561 Mark What do you mean by reflection? AnswerWhen rays of light fall on a surface, they are turned back into the same medium in accordance with some definite laws. This process is known as reflection.View full question & answer→
Question 571 Mark Distinguish between regular and irregular reflection. AnswerA smooth and polished surface causes regular reflection while a rough and unpolished surface causes irregular reflection. View full question & answer→Question 581 Mark Name the mirror having a wider field of view. AnswerA convex mirror has a wider field of view.View full question & answer→Question 591 Mark Give three uses of concave mirrors. AnswerConcave mirrors are used in reflecting microscope, in shaving and makeup glasses and in ophthalmoscope. View full question & answer→Question 601 Mark State three characteristics of the image formed by a convex mirror. AnswerThe image formed by a convex mirror is always Diminished, Virtual and Erect. View full question & answer→Question 611 Mark What do you mean by centre of curvature of a mirror? AnswerCentre of curvature is the centre of the imaginary sphere to which the mirror belongs. View full question & answer→Question 621 Mark Define pole of a mirror. AnswerPole is the centre of the reflecting surface, in this case spherical mirror. View full question & answer→Question 631 Mark What do you mean by the principal axis? AnswerThe principal axis is the straight line passing through the pole and the centre of curvature. View full question & answer→Question 641 Mark Name the type of mirror having a focal length of -15 cm. AnswerThe mirror having -15 cm as its focal length is a concave mirror because focal length is taken negative only in case of concave mirror. View full question & answer→← PreviousPage 2 of 2Generate Paper FreeAll Light topics
Question 581 Mark Name the mirror having a wider field of view. AnswerA convex mirror has a wider field of view.View full question & answer→
Question 591 Mark Give three uses of concave mirrors. AnswerConcave mirrors are used in reflecting microscope, in shaving and makeup glasses and in ophthalmoscope. View full question & answer→
Question 601 Mark State three characteristics of the image formed by a convex mirror. AnswerThe image formed by a convex mirror is always Diminished, Virtual and Erect. View full question & answer→
Question 611 Mark What do you mean by centre of curvature of a mirror? AnswerCentre of curvature is the centre of the imaginary sphere to which the mirror belongs. View full question & answer→
Question 621 Mark Define pole of a mirror. AnswerPole is the centre of the reflecting surface, in this case spherical mirror. View full question & answer→
Question 631 Mark What do you mean by the principal axis? AnswerThe principal axis is the straight line passing through the pole and the centre of curvature. View full question & answer→
Question 641 Mark Name the type of mirror having a focal length of -15 cm. AnswerThe mirror having -15 cm as its focal length is a concave mirror because focal length is taken negative only in case of concave mirror. View full question & answer→