Question
The length and breadth of a rectangular field are 45 m
and 28 m respectively. What is its area?Solution
ATQ, Area = length * breadth = 45 * 28 = 45 * (20 + 8) = 900 + 360 = 1260 m²
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.
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