Q.8. Name the elctromagnetic waves, which are produced by:
a. Vibrations of atoms and molecules.
b. Rapid acceleration of electrons in conducting wires.
c. Stopping fast moving electrons by metal targets.
d. Radioactive decay of a nucleus.

Open in App

Solution

Dear Student ,

$a . f r o m t h e v i b r a t i o n s o f t h e a t o m s t h e t y p e o f w a v e s d e p e n d u p o n t h e n a t u r e a n d t h e t e m p e r a t u r e o f t h e b o d y . a s w e i n c r e a s e t h e t e m p t h e d o m i n a n t w a v e l e n g t h w i l l d e c r e a s e s . a t r o o m t e m p t h i s w i l l b e i n f r a r e d w a v e s a s w e i n c r e a s e t h e t e m p e r a t u r e t h e w a v e s g e n e r a t e d t o u p p e r s p e c t r u m u p t o v i s i b l e r e g i o n . a n i r o n b l o c k h e t a e d u p t o 1000 d e g r e e c e l s i u s s e e m s r e d b e c a u s e i t e m i t s r e d c o l o u r l i g h t t h a t E M w a v e s . b . t h e r a p i d a c c n p r o d u c e d t h e i n f r a r e d o r t h e r a d i o w a v e s . c . x r a y s a r e p r o d u c e d t h i s i s t h e c o n c e p t t o p r o d u c e t h e x r a y s . d . i n r a d i o a c t i v e d e c a y g a m m a r a y p r o d u c e d . R e g a r d s$

Suggest Corrections

Similar questions

The electromagnetic waves produced when fast moving electrons are suddenly stopped by metal target of high atomic number are

	List I		List II
(a)	700 nm to 1 mm	(i)	Vibration of atoms and molecules.
(b)	1 nm to 400 nm	(ii)	In atoms moving from one energy level to a lower level.
(c)	$< 10^{- 3} n m$	(iii)	Radioactive decay of the nucleus.
(d)	1 mm to 0.1 m	(iv)	Magnetron valve.

Join BYJU'S Learning Program