#excellentideasineducation #lightreflectionandrefraction #class10science #convexlens #science #physics #education
An object 1m tall is placed on the principal axis of convex lens and it's 40cm tall image is formed on the screen placed at a distance of 70cm from the object.What is the focal length of lens / Light class 10 numericals short tricks / How to Solve Lens Numericals / Light Reflection and Refraction Numericals
At what distance from a concave mirror of focal length 10 cm should an object 2 cm long be placed in order to get an erect image 6 cm tall?
[ Ссылка ]
A converging mirror forms a real image of height 4 cm of an object of height 2 cm placed 20 cm away from the mirror
i) Calculate the image distance
ii) What is the focal length of the mirror?
[ Ссылка ]
An illuminated object lies at a distance of 1 m from a screen. A convex lens is used to form an image of the object on the screen placed at distance of 75 cm from the lens. Find the focal length of lens and magnification
[ Ссылка ]
The filament of a lamp is 80cm from a screen and a converging lens forms an image of it on a screen,magnified three times. Find the distance of the lens from the filament and the focal length of the lens.
The distance between an object and a screen is 80cm.If a 3 times magnified image is formed on the screen.Find the object distance,focal length and the image distance.
[ Ссылка ]
A concave mirror produces three times magnified real image of an object 10 cm infront of it.Where is the image formed
[ Ссылка ]
Sign Convention for Reflection of Light by Spherical Mirror / Light Reflection and Refraction
[ Ссылка ]
Sign Conventions for Lenses / Light Reflection and Refraction
[ Ссылка ]
Real image 4/5 size of the object is formed 18cm from a lens. Calculate focal length of the lens / Light class 10 numericals short tricks / How to Solve Lens Numericals / Light Reflection and Refraction Numericals
[ Ссылка ]
Find the position nature and size of the image formed by a convex mirror / Security mirror used in a big showroom has radius of curvature 5m.If a customer is standing at a distance if 20m from the cash counter
[ Ссылка ]
CBSE Class 10 Science Chapter / Light-Reflection and Refraction MCQ Question / CBSE Board Exam Important Questions / Secret Trick to Solve Assertion and Reason Questions
[ Ссылка ]
