6630×10-10m তরঙ্গ দৈর্ঘ্যের ফোটনের শক্তি কত? - Prothom Sir

6630 \times 10^{- 10} m

তরঙ্গ দৈর্ঘ্যের ফোটনের শক্তি কত?

Created: 1 year ago | Updated: 3 months ago

0.875 eV

1.875 eV

2.875 eV

319

Best Description

1 year ago

0 0

রহমতপুর

ABC ত্রিভুজের ক্ষেত্রে $a^{4} + b^{4} + c^{4} = 2 c^{2} (a^{2} + b^{2})$ হলে cos C এর মান হবে

Created: 9 months ago | Updated: 3 months ago

\frac{1}{\sqrt{2}}

\pm \frac{1}{\sqrt{2}}

\pm \frac{\sqrt{3}}{2}

None

966

Created: 9 months ago | Updated: 3 months ago

(\frac{3.5}{6}, \frac{\sqrt{3}}{4}) o r (\frac{\sqrt{3}}{4}, \frac{3.5}{6})

(\frac{6}{3.5}, \frac{4}{\sqrt{3}}) o r (\frac{6}{3.5}, \frac{4}{\sqrt{3}})

(\frac{3.5}{4}, \frac{6}{4}) o r (\frac{6}{4}, \frac{3.5}{4})

(\frac{\sqrt{3}}{3.5}, \frac{2}{3}) o r (\frac{2}{3}, \frac{\sqrt{3}}{3.5})

895

Created: 1 year ago | Updated: 3 months ago

\frac{1}{14} [\begin{matrix} 6 & 4 \\ - 2 & 1 \end{matrix}]

\frac{1}{14} [\begin{matrix} - 6 & - 4 \\ 2 & 1 \end{matrix}]

\frac{1}{14} [\begin{matrix} 6 & 4 \\ - 2 & - 1 \end{matrix}]

\frac{1}{- 14} [\begin{matrix} - 6 & - 4 \\ 2 & 1 \end{matrix}]

None

763

Created: 1 year ago | Updated: 3 months ago

0 °

45 °

95 °

90 °

None

783

Created: 9 months ago | Updated: 3 months ago

1 M

4 m

\frac{22}{7} m

2 m

1210