Why does a heavy stone nor break a glass place when place slowly on it, while a small stone falling from a great height easily breaks it ?3 4573
Why it is more difficult to stop a cricket ball than a tennis ball moving with same velocity ?8 14780
When we press our hand on a table downwards, why we do feel the table pressing id greater.1 2970
When a gun is fired, why does the guner receive the jerk ?3 3802
While swimming, why do we press the water backward with our arms and hands ?3 3045
Why a boat rise higher, when it passes from the river water to sea water ?1 2889
Why is it easier to swim in sea water than in the river water?17 55919
Why does a body weigh more at the poles than at the equator?4 20115
If a body is hung from a spring balance first at the poles and then at the Equator, why do the readings of the balance change ?3 2850
Why dies a stone fall when thrown upward, while a balloon rises up?2 3129
Why dies a boat-man push the bank with an oar, when he wants to clear his boat off the bank?1 2285
Why is it easy to turn over a leaf with a wet finger ?1 2626
Why can a bird fly, while a man cannot ?3 3699
When a toy balloon is filled with air and then the air is allowed to go out, why dies the balloon whiz away ?1 2702
When we jump form the boat to the bank why the boat goes backwards from the bank ?1 2491
i want to increase my ups back time ,i have added one 12v 68ah battery to my ups but it is not working ,is it possible to make adjustment so that new battery will work.
Shall i get Section engineer S & T question paper? (Railway recruitment board)
Similar charges repel while dissimilar ones attract each other. How does two electrons attract each other during the formation of bond or why don't the protons in the nucleus repel?
write a program on link list to get information about graduated students?
What is meant by common potential?
what is use of physics in banking ? why we hire you as you are graduated in physics honours?
we know when two atom combine,the electrions are in valance band,but in case of semiconductor doner or acceptor level are above of v.. whyb
Sir. I m a physics graduate ...how can i help in bank with my physics subject...kindly reply ...my id. Pshkumar.email@example.com...please
1.when a diode has its maximum resistance? 2.is ohm's applicable for an ac circuit?
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
how to figure cubic feet of concrete using English measurements?
How increasing threshold voltage can affect on current in transistor?
i didnot recieve my group1 hallticket
Dear sir, I appeared for the interview for the post of SCIENTIST/ENGINEER 'SC'in ISRO on 02/12/2009. when the resluts will be announced??
A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?