Class 10 ICSE Physics Spectrum Boards Questions
Here we provide Class 10 physics important notes,board questions and predicted questions with Answers for chapter Spectrum. These important notes,board questions and predicted questions are based on ICSE board curriculum and correspond to the most recent Class 10 physics syllabus. By practising these Class 10 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 10 Board examinations.
2020
Q1
The wave lengths for the light of red and blue colours are nearly 7.8 x 10-7 m and 4.8 x
10-7 m respectively.
(i) Which colour has the greater speed in a vacuum?
(ii) Which colour has a greater speed in glass?
solutions
(ii) Which colour has a greater speed in glass?
solutions
2019
Q2
An electromagnetic radiation is used for photography in fog.
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose?
solutions
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose?
solutions
2016
Q3
A boy uses blue colour of light to find the refractive index of glass. He then repeats the
experiment using red colour of light. Will the refractive index be the same or different in the two
cases? Give a reason to support your answer.
solutions
solutions
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