To demonstrate the phenomena of interference, we require
(1) Two sources which emit radiation of the same frequency
(2) Two sources which emit radiation of nearly the same
frequency
(3) Two sources which emit radiation of the same frequency
and have a definite phase relationship
(4) Two sources which emit radiation of different wavelengths
Answer / ali
( 3 ) Two sources which emit radiation of the same frequency
and have a definite phase relationship
| Is This Answer Correct ? | 28 Yes | 2 No |
Which of the following controls the quantity of sugar in the body and is secreted by pancreas? (1) Vitamin (2) Rennin (3) Insulin (4) Creatin
full paper of RRB AJMER 2008 technical test 03/2008 .
Please send the last 5 years (Junior Engineer Gr- 11,Electrical RRB chennai)All type qustion papers to my email ID ranandraja@gmail.com
If a substance is a weak conductor due to the presence of free electrons, then what is it known as ? (a) Insulator (b) Resistor (c) Reactor (d) Capacitor
Voltage regulation of ideal transformer is
2 Answers RRB, Usha Rama College of Engineering and Technology,
hi i im a m.pharmacy student and going to give rrb examination so i want to previous qsn papers so plzz send it to my mail id chauhanujala@gmail.com
The size of transformer core will depend on
The perarl city express runs between chennai and _______
Six men A, B, C, D, E and F are standing in a circle. B is in between F and C, A between E and D, and F is standing left of D. Who is between A and F? (1) C (2) B (3) D (4) E
Lac-to Bacillus bacteria is used in preparing
2 Answers RRC Railway Recruitment Cell,
sir i need importan general science bit bank for rrb secunderabad
sir, i am pharmacist.i want last 10 year old pharmacist rrb recrutment paper & sallabus. thanking you.