Kumar Verma

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Kumar Verma

Asked: December 4, 2021In: Class 10 Science

A student obtained a sharp image of a candle flame placed at the distant end of the laboratory table on a screen using a concave mirror to determine its focal length. The teacher suggested him to focus a distant building about 1 km far from the laboratory, for getting more correct value of the focal length. In order to focus the distant building on the same screen the student should slightly move the:

Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

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Kumar Verma

Asked: December 4, 2021In: Class 10 Science

Given below are statements regarding sign conventions for reflection by spherical mirrors. Select the correct statements.

(i) All distances parallel to the principal axis are measured from the pole of the mirror. (ii) All the distances measured to the left of the origin (along – x-axis) are taken as positive while those measured to the right ...

Kumar Verma

Asked: September 20, 2021In: Class 7 Science

Why does a current carrying wire deflect a magnetic compass?

Extra Questions for NCERT 7th Science Solutions Class 7th Science Session 2022-2023 Class 7 Science Important Syllabus Questions Answers Class VII Science Extra Questions

Kumar Verma

Asked: September 20, 2021In: Class 7 Science

Why should we give large number of turns around an iron nail for making electromagnet?

Class 7th Science Session 2022-2023 Class 7 Science Important Syllabus Questions Answers Class VII Science Extra Questions Class 7th Sample paper Questions

Kumar Verma

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