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Scientific Tips Part 19 (in Hindi)
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Ashish Futtan is teaching live on Unacademy Plus

Ashish Futtan
MTECH IIT Bombay|Quora Top Writer for GATE Mechanical 2019|Cracked IIT (ISM) Dhanbad,IIT DELHI|3 times GATE qualified| Singer|

Comments
U
Unacademy user
sir no. of photons per second per unit area is different from no. of photons per unit area per second? .............if yes then what is intensity actually?
Kailash Sharma
10 months ago
number of photons per unit area per second is different from number of photons per second.
Kailash Sharma
10 months ago
energy per second/ Photon energy= number of photons per second
Kailash Sharma
10 months ago
intensity/photon energy= number of photons per second per unit area
Shruti Tambulkar
10 months ago
is their any difference in no. of photons per unit area per second and no.of photons per second per unit area?
Shruti Tambulkar
10 months ago
but in previous video u said intensity/photon energy+number of photon per unit area per second?
Kailash Sharma
10 months ago
read again what I replied.
Shruti Tambulkar
10 months ago
ok...got it
AP
Ayush Patel
a month ago
Shruti it is same bcoz per second per unit area=1/sec.m² And per unit area per second=1/m².sec