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Subject: Physics, asked on 6/6/17

what is the wavelength of electromagnetic wave whose frequency is 10^12hz name the electromagnetic wave (speed of light is 3x10^8 m/s)
 

Subject: Physics, asked on 21/7/19

Question and answer on spectrum so i can practise over there

Subject: Physics, asked on 3/9/17

on placing red transparent sheet infront of sunlight why only red light obtained on the screen?

Subject: Physics, asked on 26/3/17

radiations detected by a thermopile

Subject: Physics, asked on 12/1/17

Fig. 6.9 shows a thin beam of white light from a source S striking on one face of a prism.


(a) Complete the diagram to show the effect of prism on the beam and to show what is seen on the screen.
(b) A slit is placed in between the prism and the screen to pass only the light of green colour. What will you then observe on the screen?
(c) What conclusion do you draw from observation in part (b) above?

 

Subject: Physics, asked on 8/12/16

Can you explain the meaning of vi) point?

Subject: Physics, asked on 8/12/16

Can you explain the meaning of v) poin
t?

Subject: Physics, asked on 8/12/16

Can you explain the meaning of iv) point?

Subject: Physics, asked on 8/12/16

Can you explain the meaning of this paragraph?

Subject: Physics, asked on 8/12/16

Can you explain the meaning of this paragraph?

Subject: Physics, asked on 8/12/16

Can you explain the meaning of this paragraph?

Subject: Physics, asked on 20/7/16

how does the intensity of scattered light depend on wavelength of incident light ? State conditions when this dependence holds

Subject: Physics, asked on 9/7/16

name 3 properties of ultraviolet radiations which are similar to visible light

Subject: Physics, asked on 26/2/16

  1. What are primary any secondary rainbows?

Subject: Physics, asked on 23/2/16

name the radiations used in burning cancerous cells at an advanced stage​

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