ICSE − Q & A

In ICSE 2016

A stone of mass m is rotated in a circular path with a uniform speed by tying a strong string with the help of your hand answer the following questions:

Q5 a) ii) Is the stone moving with a uniform acceleration in which direction does the acceleration act? 

IN ALL THE BOARD QUESTION ANSWER TEXTBOOKS THE ANSWER GIVEN IS YES IT IS A UNIFORM ACCELERATION... IN THE TEXTBOOK IT IS GIVEN ITS A VARIABLE ACCELERATION. HOW!?! 👿

Why is earth pin longer than the other two pins!??

A flag is made up of three strips of cloth of yellow, white and cyan colours. Name the colour of a particular light in which this flag will appear to be of a single colour.

+ 2 more questions by krishnair  

Explain why in daylight an object appear red when seen through a red glass and black when seen through a blue glass?
asked by Krish Rajiv Nair (krishnair) 6 years ago
0

When yellow paint and blue paint are mixed we get a green colour. When yellow light and blue light are mixed, white light is obtained. Give reasons.
asked by Krish Rajiv Nair (krishnair) 6 years ago
0

i wrote bhramo instead of brahmo - any hope of marks

+ 2 more questions by teleansh  

Should we learn speed and mass of alpha beta gamma
asked by Ansh Anand (teleansh) 6 years ago
0

If colour of wires is asked we have to write old convection or new convection or both are correct
asked by Ansh Anand (teleansh) 6 years ago
2

Guys just to share a fact that in lens diagrams 
Remember we have to erase those extra lines after intersection of light rays else  a hollow image will be formed (this is an error given in Selina book)

what is the principle of a magnifying glass

Someone please explain pg 240 example 1 (ii)

Are questions repeated in physics?

What are the energy changes in a soldering iron in use?

If its given to find the focal length when power is -2D, will the answer be in negative since it is a convex lens or what?