light

Question 1

speed of light is less

Answer 1

high refractive index

Question 2

refraction in low density to high

Answer 2

light bend towards normal line

Question 3

high density to low

Answer 3

light move far

Question 4

dispersion of which light is max

Answer 4

violet

Question 5

speed of which colour is min in glass

Answer 5

violet

Question 6

whviloet ray

Answer 6

lowest wave length and highest frequency

Question 7

red light

Answer 7

high wavelength and low frequ

Question 8

mirage formation

Answer 8

refraction and total internal reflection

Question 9

dentist use which mirror

Answer 9

concave

Question 10

concave mirrior

Answer 10

converge

Question 11

canvex lens

Answer 11

converge

Question 12

focal length of convex lens

Answer 12

positive and image is real and inverted

Question 13

in which condition image form by cancave mirror is behind and virtual erect and magnified

Answer 13

between pole and focus

Question 14

solar radiation visible

Answer 14

400-700 nm

Question 15

wave length of visible light

Answer 15

390-780

Question 16

eye is most sensetive to

Answer 16

yellow green light 5500 A

Question 17

LIGHT TRAVEl in stratight line because

Answer 17

its wavelength is low

Question 18

sun take aprox

Answer 18

8.5 min

Question 19

when light travel from one medium to another the n what will not change

Answer 19

frequency

Question 20

mirage

Answer 20

total internal reflection

Question 21

car niror

Answer 21

convex

Question 22

barber

Answer 22

concave mirroerag

Question 23

image form by astronomical telescope

Answer 23

virtual and magnified

Question 24

air buuble act like

Answer 24

concave lens

Question 25

minimum heught to see a person

Answer 25

half

Question 26

long sightness

Answer 26

convex lens

Question 27

reading glass

Answer 27

convex lensmy

Question 28

myopia

Answer 28

concave lens

Question 29

eye visibility

Answer 29

25 cm

Question 30

sunlight contains

Answer 30

7 colours

Question 31

speed of which light is minimum and maximum

Answer 31

viloet minimum and red maximum

Question 32

maximum deviation on prism

Answer 32

violet

Question 33

for a critical angle light must pass from denser medium to rarer mediuum

Question 34

image form in plane mirror

Answer 34

inverted and virtual

Question 35

mirror use in torch

Answer 35

concave

Question 36

focal length of concave lens

Answer 36

negative

Question 37

in long sightness images are formed

Answer 37

behind retina