General Knowledge :: Physics
- Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
- Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?
- A colour-blind person cannot
- Magnifying Glass is basically a
- A microscope used in pathological laboratories forms
- Which of the following characteristics of light remains unchanged when light travels from vaccum enters water?
- To resolve an object in an electron microscope,
- Which of the following is an example of continous emission spectrum?
- The atmospheric layer reflecting radio waves is called
- For a ray of light to suffer total internal reflection it has to pass from :
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