- Zarqa on Carlyle’s work On Heroes, Hero Worship and the Heroic in History is a course of ?
- Shokat Hussain Khan on How many districts are in Sindh ?
- Hamad on Who was the Abul Kalam Azad?
- Shokat Hussain Khan on Who was the Abul Kalam Azad?
Hamad Physical Optics 13/07/2021
- In a plane polarized light _________________?
- A. vibration in all direction B. vibration in two mutually perpendicular directions C. vibration take place in a direction perpendicular to the direction of propagation of light D. no vibration at all...
- Which one of the following cannot be polarized ?
- A. radio waves B. ultraviolot rays C. X-rays D. sound waves...
- The velocity of light was determined accurately by_______________?
- A. Newton B. Michelson C. Huygen D. Young...
- A light ray traveling form rarer to denser medium suffers a phase change of__________________?
- A. 60° B. 90° C. 180° D. 45°...
- Diffraction effect is____________________?
- A. more for a round edge B. less for a round edge C. more for a sharp edge D. less for a sharp edge...
Leave a Reply