ICSE − Q & A

State whthr true or false
delta p = m delta v

CAN ANYONE POST THE IMPORTANT FORMULAE AND DERIVATIONs AND SI UNITS ..............................FOR PHY PLS.....................AND PLS FAST

A bullet of mass 50 g, is moving with a speed of 5 * 10^2 m/s. The bullet hits a fixed wooden block. it comes to rest after penetrating a distance of 100 mm inside the block. Find the average retarding force exerted by the block on the bullet???

Steps plzzz.

Name 3 fossil fuels that emit CO2 into the atmosphere

+ 1 more questions by gunareddy  

Why is cathode heated indirectly?
asked by Harshi baby (gunareddy) 9 years ago
1

http://www.respaper.com/yash2000/7818-pdf.html Really helpfull definitions guys!

What are the uses of thermionic emission??

if the amplitude of sound increases by  3 times .wat is the effect on loudness?

+ 1 more questions by niharikamahindroo  

why maximum refraction takes place at the edges of lens? what is the direction of torque?
asked by Nainamahindroo (niharikamahindroo) 9 years ago
0

http://www.respaper.com/shreyasj/4900-pdf.html someone pls do the last current electricity sum?

+ 1 more questions by ruchika16  

why are infrared rays used for photography in fog? please provide a proper answer?
asked by Nina (ruchika16) 9 years ago
3

which lens offers magnification always less than 1>?
Whats the nature of the image?

a material which exhibits fluorescence when
cathode rays fall on it.