Decimal Fractions
Fractions having 10 and powers of 10 as their denominators are called decimal fractions Eg: 1/10, 2/10, 3/100, 4/100 etc. Fractions having 100 as their denominators are also called as percentage.Eg: 14/100 =1..
03.
A circular coil of radius 8.0 cm and 20 turns rotates about its vertical diameter with an angular speed of 50ms - 1 in a uniform horizontal magnetic field of magnitude 3.0 x 10 - 2 T. Obtain the maximum and the average EMF induced in the coil. If the coil forms a closed loop of resis..
Multiplication using Scientific Notation
Rules for multiplication in scientific noatation. 1) Multiply the coefficients. 2) Add the exponents (the base remains 10) For example: (3 x 10 4 ) (2 x 10 5 ) =6 x 10 9 . If the coefficient is more than 10 how to write in scientific notation ..
Rational Numbers
We have defined rational numbers as those which can be expressed as fractions: We now define decimal fractions. The rational numbers can be expressed as terminating or recurring decimals. Decimal fraction has denominator as 10 or a power of 10..
We have defined rational numbers as those which can be expressed as fractions: We now define decimal fractions. The rational numbers can be expressed as terminating or recurring decimals. Decimal fraction has denominator as 10 or a power of 10..Rating of Electrical Appliances
Generally electrical appliances such as an electric bulb, geyser, heater, etc. are rated with power and voltage. If a bulb is rated 100W - 250V, it means that when a bulb is lit on a 250V supply, it consumes 100 W of electric power. This means that, 100 J of electrical energy ge..
Generally electrical appliances such as an electric bulb, geyser, heater, etc. are rated with power and voltage. If a bulb is rated 100W - 250V, it means that when a bulb is lit on a 250V supply, it consumes 100 W of electric power. This means that, 100 J of electrical energy ge..Numbers in scientific notation
The speed of light is 300,000,000 m/sec. This can be written in scientific notation as 3 x 10 to the power of 8 or as 3 x 10^8. The numb er 134000000000 can be written in scientific notation as 1.34 x 10^11. The first number 1.34 is called the coefficient..
Uses
Ammonium nitrate is used in pyrotechnics It is used in freezing mixture. It is a good fertilizer. It is used as a powerful explosi..
Enzyme Catalysis
Enzymes are macromolecules, usually proteins, produced in living systems, which act as catalysts in physiological reactions. The striking characteristics of enzymes are their catalytic power and specificity. Enzymes have immense catalytic power; they accelerate reactions b..
1. Atomic and ionic radii
The atomic and ionic radii of group 13 elements are compared to corresponding elements of group 2. This is due to the increase in nuclear charge when one moves from, element of group 2 to group 13 in the same period. As the elements are considered from left to right in the period, the magnitude of..
Question 7
Question: 1 D is the power of a lens of focal length ______ cm. 1. 100 2. 10 3. 1/100 4. 1/10 Answer: ..
Result
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