Physics Class 12
Solutions to CBSE Sample Paper - Physics Class 12

The graph shows the variation of photocurrent for a photosensitive metal

Question 29b - The graph shows the variation - teachoo.jpg

(a)What does X and A on the horizontal axis represent?

(b)Draw this graph for three different values of frequencies of incident radiation ʋ1, ʋ 2 and ʋ 3 (ʋ 3>ʋ 2>ʋ1) for the same intensity.

(c) Draw this graph for three different values of intensities of incident radiation I1, I2 and I3 (I3> I2>I1) having the same frequency.

 

Answer:

(a)

A - cut off or stopping potential

X - anode potential

Question 29 -What does X and A on the = V0 class 12 - teachoo.jpg

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo