8.Electromagnetic waves
easy

$100Hz$  आवृत्ति के प्रकाश की तरंगदैध्र्य होगी

A

$2 \times {10^6}m$

B

$3 \times {10^6}m$

C

$4 \times {10^6}m$

D

$5 \times {10^6}m$

(AIPMT-1999)

Solution

(b)$\lambda = \frac{c}{\nu } = \frac{{3 \times {{10}^8}}}{{100}} = 3 \times {10^6}m$

Standard 12
Physics

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