Question

n Newton's rings experiment the diameter of the 5th and 25th rings are 0.3cm and 0.8cm. Find the wavelength of light ,R=100cm.

Answer 1

Answer:

4.18×10^-5cm

Explanation:

here is the answer

Answer 2

Given that 5th and 25th rings are 0.3cm and 0.8cm, R=100, Find the wavelength of light

Explanation:

• D5 = 0.3cm = 0.003m ⇒ r5 =0.0015
• D25 =0.8cm = 0.008m ⇒ r25 =0.004
• r=100cm =1m
• Wavelength of light =[(0.003)² - (0.008)²]/25×1
• (9e^-6 - 6.4e^-5)/25
• -0.00083...