Short Q&A : of Light and Lenses || Different Types of Lenses

In this post, we shall learn Short Q&A about Light and Lenses || Different Types of Lenses. Before Reading the Question and Answer all visiter request to read Definition of Light and Lenses || Different Types of Lenses this article. If you read this article you can easily understand the Question and Answer.

Short Q&A : of Light and Lenses || Different Types of Lenses
Short Q&A

Question: – What are the two ends of the pure spectrum of white light?

Answer: – The marginal colour of the pure spectrum of white light are two red and purple.

Question: – Why is light not dispersed through zero?

Answer: – Since there is no particle equal to the wavelength of light through zero, light is not dispersed through it.

Question: – Give a natural example of the dispersion of light.

Answer: – Rainbow is a natural example of the dispersion of light.

Question: – In which position of the object is the convex lens formed by the convex lens?

Answer: – If the distance of an object from a convex lens is equal to the focal length of the lens or greater than the focal length, the object’s positive image is formed.

Question: – What kind of lens is used in a magnifying glass?

Answer: – Magnifying glass is used in the convex lens.

Question: – Mention two uses of a magnifying glass.

Answer: – Magnifying glass is used to see the small letters of the book and the precision of the watch.

Question: – Which colour is called middle caste?

Answer: – From the spectrum, it can be said that the deviation of light of different colours is different. The purple light is the highest and the red light is the lowest. The yellow light fixture is between the purple and the red light. So the yellow colour is called middle.

Question: – When the film is shown on the screen, how far is the film from the lens?

Answer: – When the film is shown on the screen, the focus of the film is kept out of focus.

Question: – What is glass?

Answer: – If a convex lens is placed along with the sunlight and a piece of paper or a simple combustible object is placed under the focus of the lens, it may be seen that sometime later, the paper block or the object has caught fire. The convex lens used in this way is called the glass.

Question: – What is the complementary colour?

Answer: – The mixture of the two colours which produces white colour is called the complementary colour of each other. Such as yellow and blue complementary colours.

Thanks for Reading.



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