10 energy saving tips

. You are Vinay Srinivasan, the Secretary of the Cultural Society of your school. Your school has been asked to present a programme on the All India Radio on the popular show 'Children's World'. Write a notice in not more than 50 words for your school notice board inviting interested students for a..

"Pyramid of energy is a graphic representation of the amount of energy trapped per unit time and area in different trophic level of a food chain with producers forming the base and the top carnivores at the tip". Pyramid of Energy in a Food Cha..

. (iii) Loss of one a - particle. decrease in mass number is 4 and decrease in atomic number is 2. Example 7:- Calculate the energy released when 1 kg mass is completely converted to energy (C = 3 x 10 8 m/s). Suggested Answer:- Example 8..

Pyramid of energy is a graphic representation of the amount of energy trapped per unit time and area in different trophic level of a food chain with producers forming the base and the top carnivores at the tip..

Therefore, for a given molecular diameter, the collision frequency will also have a square-root dependency on temperature. The ratio of Z values at two temperature values, for e.g., at 298 K and 308 K will be A ten-degree rise in temperature near the room temperature usually doubles the r..

Neutrons and protons attract each other at distances of order of 10 - 1 5 m, and bind (come together) to form nuclei. The associated energy is called nuclear energy. For example, because of this attraction, a helium nucleus (consisting of two protons and two neutron..

. In other words, the level following the previous one always receives less amount of energy. After studying various food chains and energy transfers in different ecosystems, Lindemann in 1942 gave the generalization called "The 10 per cent law". It shows that about 90..

Renewable sources of energy are produced continuously in nature and are non-depletable. Sources like water, sunlight, air, tidal energy, nuclear energy, geothermal power, are not exhaustible. A non-renewable source of energy gets depleted over a certain peri..

. A second borehole is then drilled into the cracked rocks. Water is pumped down the first hole and forced through the cracks. The water gets heated and returns through the other hole as hot water. This energy equals to that stored in 10,000 million tones of coal. In some parts ..

Rosli had RM10 000 in his saving account and he withdraws RM500 every month from the account. Find the amount reduced in 7 months from his saving account? => RM6 500 or - RM6 500 or RM3 500 or - RM3 500..