Question

I. Fill in the blanks. 101=10M

1. The frequency of scattered light by liquids is _________ than

the frequency of incident light.

2. During refraction ____________ will not change.

3. The magnitude of electric and magnetic fields associated with

the electromagnetic wave vary ____________ not every point.

4. The angle of prison is 300 produces an angle of minimum

deviation of 300

, the value of ‘n’= __________.

5. When i1 = i2 angle of deviation becomes __________.

6. If d>25cm then ‘f’ becomes positive and ___________ type of

lens is used to correct the eye defect.

7. When u = -, v= -D then f = ___________.

8. The vision becomes ____________ due to accommodation

defects of the eye lens.

9. The eye lens adjust its focal length between _________ to

_________ too form a clear image on the retina.

10. __________ enables pupil to act as a ‘variable aperture​

Answer 1

Answer:

27)(i)Express the following numbers in standard form.

(a)70,00,000 (b)3,90,878 using exponents