A device has power -2 D . The device is a.A convex lens of focal length 50 cm b.A concave lens of focal length 50 cm c.A convex lens of focal length 2 m d.A concave lens of focal length 2 m

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Jan 7, 2021 210k views

2 votes

A device has power -2 D . The device is

a.A convex lens of focal length 50 cm
b.A concave lens of focal length 50 cm
c.A convex lens of focal length 2 m
d.A concave lens of focal length 2 m

Physics
high-school

Malik Kurosaki asked

by Malik Kurosaki

5.4k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3 votes

Answer:

Step-by-step explanation:

-vesign shows the lens is CONCAVE

f=1/power

EsbenB answered Jan 12, 2021

by EsbenB

6.1k points

0 Comments

Please log in or register to add a comment.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.6m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions