The meniscus of water is concave as the forces of adhesion between water molecules and glass are stronger than forces of cohesion between water... View Article
Answer: (4) Biogas Fossil fuels are derived from decomposing plants and animals. Coal, oil and natural gas are examples of natural gas. Biogas... View Article
The pupil regulates the amount of light that enters the eye, and the Iris controls the size of the pupil. Iris is the ring of pigmented tissue... View Article
The image distance of an eye remains same as the change in distance of object is compensated by change in focal length of eyes by expansion and... View Article
The surface that absorbs all radiant energy that falls on it is known as a black body. The incident visible light will be absorbed rather than... View Article
It is called interface tension Interfacial tension is defined as the tendency where an interface becomes spherical to make its surface energy as... View Article
The main constituent of Bio-gas is methane. Biogas is a type of biofuel that is naturally produced from the decomposition of organic waste. It... View Article
When mosquitoes stand on water, their feet create a dimple in the water and the surface tension of the water keeps them adrift. The bigger an... View Article
Something that cannot be divided are called _____. Answer: indivisible numbers Explanation: Inidivisible numbers are those numbers that cannot... View Article
The energy released during the burning of coal, oil is called heat energy. Along with heat energy, light energy is also given out. This is known... View Article
A) Momentum B) Kinetic energy C) Both A) and B) D) Equilibrium The correct option is C) Both A) and B). When a body is at rest, it cannot... View Article
