ICSE − Q & A

Is the envelope format both for formal and informal letters in Hindi and is it compulsory?

It is said that ultrasonic waves of frequency more than 20kHz can travel undeviated through a long distance without getting easily absorbed in a medium. But if the frequency is high, then wavelength should be less and hence the sound wave should be easily scattered and absorbed in the medium, right?

all those who wanted envelope format check this link http://www.respaper.com/prakrutidesai/658-zip.html

Any Star Wars fan out here?

I am having problem with the sums on how to calculate the power of a lens....if it is a real image then power will be negative & if a virtual image then positive...is it right??

physics paper: http://www.respaper.com/ansh_cr7/4705-zip.html
please help me in question 2.d

+ 1 more questions by shreyas25164909  

physics paper: http://www.respaper.com/dgenerationx/9557-pdf.html?cmd=conv pls post the answer for 8.c.
asked by Shreyas Kulkarni (shreyas25164909) 7 years ago
1

Can somebody please send the solution for the 5th numerical of exercise 2D in the SELINA Concise Physics book??

ANYONE LIKES HARRY POTTER?

If asked what the area enclosed by the force-time sketch gives, do we say impulse or change in momentum?

Are BQs for numericals enough?