No products in the cart.

A 4.5 cm needle is placed …



Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm. Give the location of the image and the magnification. Describe what happens as the needle is moved farther from the mirror.
  • 1 answers

Devanshi Dhaka 1 month, 1 week ago

Magnesium ribbon reacts with oxygen present in air to farm a protective and inert layer of magnesium oxide on its surface. This layer doesn't react and also prevents the ribbon from burning. Thus it have to be rubbed with sandpaper before burning so that the layer is removed😊

Related Questions

What is the S.I unit of force?
  • 4 answers
Configuration of 29
  • 0 answers
What is light android is property ?.
  • 1 answers
Why photosynthesis is an endothermic reaction?
  • 2 answers

myCBSEguide App


Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App