Question

solve it ,answer fast ​

Answer 1

Explanation:

Q. 1

I . 1 %

ii. 5

iii. deviation

iv.displacement

v. distance

vi. vaccum

vii. photons obeying rules of waves

Q.2

1. 10^-1

2. joule

3 & 4 not taught the lesson

5 root 62

6 zero

7 critical angle

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Answer 2

1. Answer:

refraction

dispplacement is vector quantity

light year is the unit of distance

solid may be but air v ho skta h 332 m/s h air me

photons abeying the rule of waves

que2

joule

yrr hindi me pta h anuderdya wave

5ka root62

6ka 0 because value of cos 90 = 0

7 ka ans h critical angle

ques 3

1-those quantities which can not be derived from other quanties are callex fundamental quantities

eg-second,kilogram,amphere,meter

bs ittne hi aate h mujko

hope it helps u thanks