NCERT CLASS 10 SCIENCE PAGE 161 ONE LINERS
NCERT CLASS 10 SCIENCE PAGE 160 ONE LINERS
NCERT CLASS 10 SCIENCE PAGE 164 ONE LINERS
NCERT CLASS 10 SCIENCE PAGE 161 ONE LINERS
Q1 state the laws of reflection ?
answer – (i) – the angle of insident is equal to the angle of reflection.
(ii) – the insident ray the normal to the mirror at the point of incidence and the reflected ray all lie
in the same plane.
Q2 write properties of image formation by plane mirror?
answer – (i) – the image is always virtual and erect matter the difference between object of the
mirror of image.
(ii) – the size is always equal to the size of object.
(iii) – the image always formed behind the mirror.
Q3 does it effect the size of image if the position of object change on the principal axis?
answer – yes, it will change the size of an object if the position is change in respect of principal
axis.
Q4 spherical mirror is a part of ?
answer – sphere.
Q5 name the commonly used type of mirror?
answer – spherical mirror.
Q6 behind the reflection surface of a spherical mirror are-
answer – polished surface.
Q7 the spherical mirror may curved ?
answer – inwards or outwards.
Q8 such mirror, whose reflecting surface are spherical are called ______ ?
answer – spherical mirror.
Q9 The spherical mirror whose reflecting surface curved outwards is called ?
answer – convex mirror.
Q10 what is the the schematic representation convex and concave mirror ?
answers
Concave mirror Convex mirror
Image. Image.
Q11 how many curved surface in spoon ?
answer – 2 , concave mirror , convex mirror
Q12 the centre of reflecting surface of a spherical mirror is a point called,where it is lies and it is
denoted by ?
answer – Pole, it lies on the surface of a mirror ,it is denoted by the letter P.
Q13 a spherical mirror whose reflecting curved inwards towards the centre of sphere is called
answer – concave mirror
Q14 who lie in the centre of a spherical mirror ?
answer – pole, P
Q15 in a plane mirror, the size of the image is equal to?
answer – object.
Q16 the image formed is as far behind the mirror is the object is in ______ of it ?
answer – front
Q17 choose the correct one.
answer – angle /_ i = angle /_ r
Q18 the angle of incident is equal to the ______ ?
answer – angle of reflection.
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