Purchase Solution

Converging Lenses

Not what you're looking for?

Ask Custom Question

A converging lens has a focal length of 30 cm. An object that is 20 cm tall is placed 45 cm from the lens.

1. What is the image distance?
a. 45 cm, other side of lens
b. 20 cm, same side of lens
c. 100 cm, other side of lens
d. 30 cm, same side of lens

2. Is the image upright or up-side-down?

3. How tall is the image?

4. Two waves interfere. When a crest of wave "G" that is 4 cm tall passes through a trough of wave "J" that is -5 cm deep. The resulting wave has an amplitude of ___.
A. -20cm
B. 0cm
C. -1cm
D. +1cm

Purchase this Solution

Solution Summary

The solution uses the relevant formulae to calculate the answers as well as providing explanations derived from the relevant theory on images and converging lenses.

Solution Preview

focal length of the lens = 30 cm
distance of the object from the lens (u) = -45 cm
(Here -ve sign for sign convention that, if the object is real the distance is taken to be -ve)

distance of ...

Solution provided by:
  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
Recent Feedback
  • " In question 2, you incorrectly add in the $3.00 dividend that was just paid to determine the value of the stock price using the dividend discount model. In question 4 response, it should have also been recognized that dividend discount models are not useful if any of the parameters used in the model are inaccurate. "
  • "feedback: fail to recognize the operating cash flow will not begin until the end of year 3."
  • "Answer was correct"
  • "Great thanks"
  • "Perfect solution..thank you"
Purchase this Solution

Free BrainMass Quizzes
Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Basic Physics

This quiz will test your knowledge about basic Physics.

The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.