Question
What is the point called where the total mass of a body
is considered to be concentrated?Solution
The center of mass is the point where the mass of an object is considered to be concentrated for the purpose of analyzing translational motion.
The density of water is maximum at which temperature?
Which of the following is an alpha particle which is emitted in radioactivity?
The mass and energy equivalent to 1 a.m.u. respectively are -
The electric and magnetic fields of an electromagnetic wave are _____________
An electric bulb is rated 100 W and 220 V. What is the current through the bulb? Â
What is the density of an object with mass 500 g and volume 250 cm³? Â
A current element is placed at origin. At point P(1 mm,1 mm), the magnetic field due to this element is:
Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 12 and the second has a voltage gain o...
Angle of friction and angle of repose are
Which of the following statement is true for a wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.