Spinning and weaving exploded _______ to big garment factories, dyeing ______ the rivers and water table with chemicals.
For the first blank, before TO, DUE is most appropriate. And for the second blank, KILLED is appropriate. Spinning and weaving exploded due to big garment factories, dyeing killed the rivers and water table with chemicals.
Noise is measured in –
A soap bubble shows colours when illuminated with white light. This is due to –
The storage battery of a car has an emf of 15 V. If the internal resistance of the battery is 0.5 Ω, what is the maximum current that can be drawn from...
A sugar solution in a tube of length 2.0 dm produces optical rotation of 12°. Then, the sugar solution is diluted to one half of its initial concentra...
A brass boiler has a base area of 0.2 m2 and thickness 1.0 cm. It boils water at the rate of 6.0 kg/min when placed on a stove. Calculate th...
Which of the following rays are not deflected by a magnetic field?
Which of the following materials exhibits piezoelectric effect?
A closely wound solenoid 40 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 2 cm. If the current carried is 8.0 A, e...
The group velocity of matter waves associated with a moving particle is:
