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Class-X Preparation for ICSE

(53 Posts)

This thread is dedicated to preparation for Class-X of ICSE

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
Add Options | Community Guidelines
Amogh B
Shared from Refraction Through Lens - 1 on Aug 08, 2020 6:36 PM

Which is true regarding the power of a lens?

It is the measure of deviation produced by it in the path of rays refracted through it.
A lens has power of 1 dioptre, if its focal length is 1 cm.
Power of lens = "
Both (1) and (2)
Please type your answer before submitting.

This answer is wrong because power=1/focal length in meter and the answer is wrong because we should use si units

Pranav Vashisth
Shared from One Dimensional Motion - 4 on Jun 02, 2020 10:40 AM

An object accelerates at 0 to 60 miles/hr in 4 seconds. Find its acceleration.

60 miles/ hr
15 miles/ hr/s
54545 miles/ hr2
Both (2) and (3)
Please type your answer before submitting.

For which of the following motions, the velocity time graph is straight line inclined to time axis?

Rishi Mukherjee
Shared from Refraction of Light - 1 on Jan 17, 2020 6:24 PM

What is the minimum distance between the convex lens and the object to produce a real image?

Please type your answer before submitting.

The minimum distance between an object and its real image formed by a convex lens is 4f.

Rishi Mukherjee
Shared from Electro Magnetism on Oct 29, 2019 3:08 PM

Current in wire moves from face of a person (sitting in front of computer) directly to the screen of his computer. A compass is placed underneath wire on table, which way will it point?

Please type your answer before submitting.


Sudeep Lama Moktan
Shared from Metallurgy - 1 on Jun 25, 2019 11:40 AM

How many metals are liquid at room temperature?

Please type your answer before submitting.

How can we determine the reactivity of the metals?