Home works and Assignments Online

Home » Class X » Physics, X

Physics, X


(Date of submission : 04/01/2016)

  • If the speed of light in a medium id 2 x 108 m/s, then its refractive index is:…………
  • The refractive index of diamond is 2.42. What is the meaning of this statement in relation to the speed of light?
  • Draw a ray diagram and show the image formed by a convex lens when the object is kept at focus.
  • An object is placed at a distance of 10cm in front of convex lens of focal length 15cm. find the nature and position of image formed.
  • An object of size 4cm is kept at a distance of 20cm from the optical centre of a converging lens of a focal length 10cm. calculate the distance of image from the lens and the size of the image.





Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: