Greenhouse effect accounts for 75% of global warming, and of this, CFC..
Greenhouse effect accounts for 75% of global warming, and of this, CFC's contribute 15%. What percent of greenhouse effect is due to CFC's? => 42% or 8% or 30% or 20%..
Reasons for Green House Effect
a) Out of total air pollutants to be 1 x 10 1 2 tons, man made pollutants are 5 x 10 8 tons. b) 25% of world's green house gases are released by USA which supports 4% of global population. c) Carbon monoxide accounts for 50% air pollution d) Suspended particulate matter (dusts of various ..
Resonance or Mesomeric Effect
. To account for this, two other structures were proposed: The actual molecule is said to be a resonance hybrid of these three structure..
The number of ATM transactions of a bank per day were recorded at 12 l..
The number of ATM transactions of a bank per day were recorded at 12 locations in a city. The mean of the sample was 88.5 transactions, with a sample standard deviation of 42. Find the 98% confidence interval of the true mean. => 19.06 < μ < 157.94 or 78.99 < μ &l..
Henry deposits $40 in his savings account every week. What will be his..
Henry deposits $40 in his savings account every week. What will be his account balance after 9 weeks, if he now has $358 in his account? => $758 or $718 or $709 or $727..
Peltier Effect
In 1834, a French scientist Peltier, found an effect that was the converse of the Seebeck effect..
Electromeric Effect
Electromeric Effect - This is a temporary effect and takes place between two atoms joined by a multiple bond, i.e., a double or triple bond. It occurs at the requirements of the attacking reagent, and involves instantaneous transfer of a shared pair of electrons of the multiple ..
Electromeric Effect - This is a temporary effect and takes place between two atoms joined by a multiple bond, i.e., a double or triple bond. It occurs at the requirements of the attacking reagent, and involves instantaneous transfer of a shared pair of electrons of the multiple ..Photoelectric effect
When electromagnetic radiation strikes on the surface of alkali metals, they emit electrons. This is called the photoelectric effect. This occurs as alkali metals have low ionization energies, which allows the electrons to be easily ejected when exposed to light. Among alkali metals, ces..
Intoxicating effect
Alcohols are known to have intoxicating effect. Methanol is poisonous and is not good for drinking purposes. It causes blindness. Ethanol can be used for drinking purpose..
Effect of Temperature
The effect of temperature has already been discussed earlier under limitations of ohm's law. In general for metallic conductors higher the temperature larger is the resistanc..
Result
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