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BITSAT Syllabus 2025: English & Logical Reasoning

Part 3 of BITSAT paper contains questions on English and Logical Reasoning. Here is the syllabus for both English Proficiency and Logical Reasoning. There will be 10 MCQ for English and 20 MCQ for Logical Reasoning English Proficiency This test is designed to assess the test takers’ general proficiency in the use of English language […]

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Class 10 CBSE Reflection and refraction extra questions

Q1. What is the difference between reflection and refraction?
Q2.Refraction is caused by
a. different wave speeds.
b. more than one reflection.
c. displaced images.
d. bending.

Q3. What will happen to ray of light when it travels from rarer medium to a denser medium ?

Q4. What is absolute refractive index ?
Q5. If refractive index of glass is 1.65, What is the speed of light in glass. ?

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Mirror and Lens Problems for Class 10

Glossary of Mirror and Lenses

Plane Mirror
A plane mirror is a mirror with a planar reflective surface. For light rays striking a plane mirror, the angle of reflection equals the angle of incidence.It always form virtual image

Concave or Converging Mirrors
A curved mirror that has its center farther away from you than its edges is called a concave mirror. A concave mirror tends to reflect parallel rays through a point called its focus – in other words a concave mirror converges light. Therefore concave mirrors are often referred to as converging mirrors. This converging effect makes sense if you imagine a concave mirror to be an array of small plane mirrors.You can demonstrate the converging of parallel light rays by a concave mirror quite dramatically for yourself. A relatively small concave mirror placed in the sun will gather enough light to ignite a small piece of paper quite quickly

Convex or Diverging Mirrors

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Tips to take good notes in the class

Good note taking is one of the important steps to success in Exam’s.Good notes capture the most important facts and enable you to understand how every fact

fits into a larger puzzle.Here are some of the tips

1) Don’t write the each word of the teacher.Summarize your notes in your own words, not the instructor’s.

2)Take down key words and concepts, not sentences.Develop your own system of abbreviations or symbols (such as w/ for “with” or math symbols such as > or =)

to take down key poin
?

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