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Ask QuestionPosted by Palak Sharma 5 years, 9 months ago
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Posted by Shivani Thakur 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
The destructive energy of an earthquake is measured on Richter scale. An earthquake which measures 3 on this scale would be recorded by a seismograph. An earthquake of this intensity is not likely to cause any damage.
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Harsh Mishra 5 years, 9 months ago
G stands for Newton's universal gravitational constant, whereas g stands for the Acceleration due to gravity at a certain point......
g = 9.8 m.s -2, g is acceleration due to gravity which is a variable quantity and a vector quantity too...That's it.
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Meghna Thapar 5 years, 7 months ago
Fungi:
Characteristics of Fungi:
- Fungi are heterotrophic and eukaryotic organisms.
- They are normally saprophytes.
- Their cell walls are composed of chitin.
- Their reserve food material is glycogen.
- Many of them have the capacity to become multicellular organisms at certain stages in their lives.
Examples – Aspergillus, Penicillium and Agaricus.
Posted by Harnoor Kaur 5 years, 9 months ago
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Moin Khan 5 years, 9 months ago
Yogita Ingle 5 years, 9 months ago
Newton's second Law of Motion states that The rate of change of momentum is directly proportional to the force applied in the direction of force.
For example; when acceleration is applied on a moving vehicle, the momentum of the vehicle increases and the increase is in the direction of motion because the force is being applied in the direction of motion. On the other hand, when brake is applied on the moving vehicle, the momentum of the vehicle decreases and the decrease is in the opposite direction of motion because the force is being applied in the opposite direction of motion.
Posted by Ansh G 5 years, 9 months ago
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Indian Gamer 5 years, 9 months ago
Yogita Ingle 5 years, 9 months ago
Food is as essential for living as air is for breathing. But food security means something more than getting two square meals. Food security has the following dimensions
(a) availability of food means food production within the country, food imports and the previous years stock stored in government granaries.
(b) accessibility means the food is within reach of every person.
(c) affordability implies that an individual has enough money to buy sufficient, safe and nutritious food to meet one’s dietary needs
Posted by Chandra Pal 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Here given, Frequency (ν) = 500Hz
T (Time period) =?
We know that;
Frequency=1/T
Or, T=1/Frequency
Or, T=1/500Hz=0.002s
Thus, time interval between two consecutive compression of the given wave = 0.2 s
Posted by Neha Jayant 5 years, 9 months ago
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Kusum Goel 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Hiccups are paroxysmal, involuntary contractions of the diaphragm that occur along with contractions of the larynx and closure of the glottis, arresting the inflow of air.
Hiccups are the result of an action the body takes to protect itself. Hiccups can start because hot food has irritated the phrenic nerve near the esophagus, or when gas in the stomach presses upward against the diaphragm. The diaphragm separates the chest from the stomach. The diaphragm tightens and pulls air into the lungs.
But air can't get through and we feel a "bump" at the moment the air is stopped. So hiccups are a reflex action of the body trying to get food or gas out of the stomach, thereby irritating the diaphragm. This in turn, affects the passage of air in and out of the lungs. We feel this as a "bump" and say we have the hiccups.
Posted by Neha ! 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Mole: Mole is the measurement in chemistry. It is used to express the amount of a chemical substance.
One mole is defined as the amount of substance of a system which contains as many entities like, atoms, molecules and ions as there are atoms in 12 grams of carbon - 12".
Avogadro number: The number of the particles present in one mole of any substance is equal to 6.022x1023. This is called avogadro’s number or avogadro’s constant.
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Nisha Setia 5 years, 9 months ago
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Meghna Thapar 5 years, 7 months ago
According to Newton’s law of gravitation, the force of attraction (F) between the two objects is given as
F = GMm/r2, where G is the proportionality constant known as the universal gravitation constant.
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