Question
Which of the following rice cultivation methods is most
water-use efficient and being increasingly adopted to address water scarcity?Solution
SRI uses young seedlings, wider spacing, and alternate wetting and drying. It significantly reduces water usage while maintaining or even increasing yield, making it a sustainable method under water-limited conditions.
If an agent does a work 'W' in time 't', then the power is given by:__________.
Energy that is produced commercially from coal is called –
In a logic gate, the output is 1 only when at least one input is 1. This gate is:
Magnetic susceptibility of a diamagnetic material is:
A body of mass 3 kg has a velocity of 4 m/s. Find its kinetic energy. Â
Which law of thermodynamics states that energy cannot be created or destroyed?
The energy stored in a stretched spring is:
Which law states that energy can neither be created nor destroyed?
The velocity of heat radiation in a vacuum is?
Which of the following is not a natural polymer?
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