Processing math: 100%
Home / Aptitude Tests / Physics / The energy of a phot...
The energy of a photo having a wavelength of 10-10

The energy of a photo having a wavelength of 10-10m is
(h= 6.63 x 10 -34Js, c =3.0 x 10 8ms-1)

A.

2.0 x 10 -15J

B.

1.7 x 10 -13J

C.

2.0 x 10 -12J

D.

1.7 x 10 -12J

View answer & explanation

Correct answer is A

E = hcλ

E = 6.63×10−34×3×101810−10

E = 2 x 10-15J

See all Physics questions & answers
See more JAMB questions & answers
Similar Questions

When taking a penalty kick, a footballer applies a force of 30.0N for a period of 0.05s. if the mass...

Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred...

In the electrical method of magnetisation, the polarity of the magnet depends on the ...

Which of the following pairs of colours gives the widest separation in the spectrum of white light? ...

The magnification produced with a converging lens is 5. If the object is a square wire gauze of side...

The graph of density against temperature for water is correctly illustrated by ...

In the microscope, the eyepiece lens merely acts as? ...

Using the force displacement diagram shown above. Calculate the work done ...

The acceleration due to gravity may be defined as the force ...

A piece of metal is heated until it becomes red-hot, it is then quickly transferred into a beaker co...

Aptitude Tests

Nigeria General Knowledge Questions and Answers

Situational Judgement Questions and Answers

Data Interpretation Questions and Answers

Microsoft Office Questions and Answers

Spatial Reasoning Questions and Answers

Personality Test

Numerical Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Typing Speed and Accuracy Test

Puzzles Questions and Answers

Verbal Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

See all →