a=81 and b =1 (a4-b4) = (a²+b²) (a+b) (a-b) ((81)4 – 14)/82×80× (38+1) = ((81)2 +1) (81+1) (81-1) / 82×80× (38+1) = ((34)2+1) ×82×50 /82×80× (38+1) = (38+1)/ (38+1) =1.
In the absence of ozone layer, which rays will enter into atmosphere?
Which instrument is used to measure the moisture content in the air?
The order of wavelengths for ordinary light is:
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
What is the value of acceleration due to gravity at the center of the earth?
Which of the following does not affect the value of acceleration due to gravity?
A 220 V, 100 W bulb is connected to a 110 V source. Calculate the power consumed by the bulb
A beam of light consisting of two wavelengths, 600 nm and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find...
If the vector sum of torques acting on a system is zero, then the object is in ________.