Class – XII (Year 2009)
Subject – Physics - (Delhi)

General Instructions:
(i) All questions are compulsory.
(ii) Marks for each question are indicated against it.
(iii) Use of Calculators is not permitted.

1. What is sky wave propagation ?
2. Write the Following radiations in ascending  order in respect of their frequencies:
   X-rays, Microwaves, UV rays and radio waves.
3. By what percentage will the transmission range of TV tower be affected when the height of the tower is increased by 21%?

(E-Book) CBSE Board Class 12th Papers PDF : Physics

Courtesy: cbse.nic.in