Collego which is a wettable powder of fungal spores of colletotrichum gleosporiodes is a bio herbicide as it causes stem and leaf blight in weeds.
A ray of light passing through an equilateral triangular glass prism from air undergoes minimum deviation when angle of incidence is 75% of the angle o...
The apparent weight of a person in a lift moving downward with uniform acceleration is:
A pond of water appears less deep due to –
The unit 'Weber' is associated with which of the following?
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
Which of the following is an example of longitudinal waves in a gas medium?
__________ is the metal used for making the filament of the light bulb.
A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2....
A circular coil of wire consisting of 120 turns, each of radius 12 cm carries a current of 0.30 A. What is the magnitude of the magnetic field B at the ...
The Mohs scale is used to measure:
