Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • The value pf planck's constant is . The velocity of light is <img alt="3.0 \times 10^{8}ms^{-1}" src="

The value pf planck's constant is 6.63 \times 10^{-34}Js. The velocity of light is 3.0 \times 10^{8}ms^{-1}. Which value is closest to the wavelength in nanometers of a quantum of light with frequency of 8 \times 10^{15}s^{-1}

Option: 1

3 \times 10^{7}


Option: 2

2 \times 10^{-25}


Option: 3

5 \times 10^{-18}


Option: 4

37.5


Answers (1)

best_answer

We know that,

\nu = \frac{c}{\lambda}

\Rightarrow \lambda = \frac{c}{\nu}

\Rightarrow \lambda = \frac{c}{\nu}= \frac{3 \times 10^8}{8 \times 10^{15}}= 3.75 \times 10^{-8} m

Posted by

Riya

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

Karnataka NEET UG merit list 2025 out; 87,909 to take part in MBBS, BDS, AYUSH counselling
anam-khan

‘Will affect lakhs of candidates’: Supreme Court, HC refuse NEET UG 2025 re-exam, result revision pleas
anam-khan

No NEET UG 2025 re-test for MP candidates as high court stays single judge order

Latest Question