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Question & Answer Forum

Next time you have a doubt while studying, you know where to go. By simply posting your questions on Question & Answer Forum, you can have them answered by academic experts. You can also find related videos and explanations for better understanding.

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Chandan answered 1 year(s) , 4 month(s) ago

Why 82° 30' E longitude has been selected as the standard meridian of India?

82°30' E has been selected as the Standard Meridian of India because it is situated in the centre of all longitudes and latitudes in which our country is located.

Asked by Swetha

Apr 6

  • 5 Answers
  • 65 Likes
  • 123978 Views
Syeda answered 1 year(s) , 6 month(s) ago

What is difference between 'g' and 'G'

G stands for Newton's universal gravitational constant, whereas g stands for the acceleration due to gravity at a certain point.
G = 6.67300 × 10-11 N.m2.kg-2, G is a c

...

Asked by Himanshu

Sep 20

  • 4 Answers
  • 49 Likes
  • 112369 Views
Shubham answered 1 year(s) , 2 month(s) ago

CAN YOU PLEASE GIVE ME SIMPLE EXAMPLES OF MONOCOTS AND DICOTS

Answer.

Monocots Seeds - Corn, Wheat, Maize, Rice, sugarcane, Bamboo, Barley, sorghum, ginger, banana, palm, orchid, Onion, garlic, coconut, palm, tulips, etc......

Asked by Devika

Feb 28

  • 3 Answers
  • 33 Likes
  • 110919 Views
Swathi answered 3 year(s) , 11 month(s) ago

Atomic masses of first 30 elements?

It is not possible to give the atomic masses of all the elements. Here iam giving the atomic masses of first 30 elements in the periodic table.
Element Atomic number Atomic mass Hydrogen  1 1 Hel...

Asked by Mragisha

Dec 17

  • 1 Answer
  • 23 Likes
  • 105171 Views
Syeda answered 1 year(s) , 5 month(s) ago

Find 6 rational numbers between root 2 and root 3

We know
Root 2 = 1.414
Root 3 = 1.732

Now, we can write n number of rational number between these. That is just greater than 1.414 and less than 1.732 and it should be terminatin...

Asked by Srinivasarao

Jul 10

  • 5 Answers
  • 18 Likes
  • 95224 Views
Syeda answered 1 year(s) , 6 month(s) ago

Why is cell called a structural and functional unit of life?

Solution:
The cells are called as structural and functional units of a living body. Cells are structural unit as they form the structure of the organism. Cells combine to form tissues, which further com...

Asked by G

Jul 13

  • 5 Answers
  • 18 Likes
  • 93744 Views
Vikas answered 3 year(s) , 6 month(s) ago

Acidic & basic radicals.

Ans:  
The ion formed after removal of Hydrogen ion (H⁺ ion) from an acid is called acid radical.
Ex: When HCl loses H⁺ ion, it forms Cl⁻ which is an acid radical.
 
Following gi...

Asked by Sajjan singh

Nov 24

  • 4 Answers
  • 24 Likes
  • 92533 Views
Syeda answered 1 year(s) , 6 month(s) ago

If x + 1/x = 3 , then find the value of x6+1/x6.

Assuming the question as (x + 1/x) = 3
Squaring on both the sides we get
(x + 1/x) 2 = 3 2
x 2 +(1/x 2) + 2 = 9
⇒ x 2...

Asked by Neha

Aug 19

  • 4 Answers
  • 30 Likes
  • 90769 Views
Mannat answered 1 year(s) , 4 month(s) ago

Merits and Demerits of Green Revolution

Merits :
1. Higher Yield.
2. Machines made for ploughing harvesting easy.
3. Surplus food can be sold to earn more.
4. Pests and insects controlled by pesticides and insecticides...

Asked by Tanvi

Aug 3

  • 7 Answers
  • 20 Likes
  • 87520 Views
Syeda answered 1 year(s) , 6 month(s) ago

What is difference between speed and velocity?


Answer.
                      SPEED                     VELOCITY 1. It is defined as the rate of change of distance. It is defined as the rate of change o...

Asked by Ashmit

May 18

  • 2 Answers
  • 13 Likes
  • 83223 Views
Nagender commented 1 year(s) , 6 month(s) ago

brief summary of novel the three men in a boat 1st term

SUMMARY OF THREE MEN IN A BOAT -

Three friends named Jerome, George, and Harris smoke together in their apartment in London. They are all hypochondriacs and discuss their illnesses. After researchin

...

Asked by Dazzler

Jan 12

  • 11 Answers
  • 59 Likes
  • 79440 Views
Syeda answered 1 year(s) , 5 month(s) ago

What is Universal Adult Franchise?

universal adult franchise is the right to vote by all the citizens of the country who are 18 years old or above

Asked by Trisha

Nov 25

  • 4 Answers
  • 11 Likes
  • 74247 Views
Syeda answered 1 year(s) , 5 month(s) ago

Why do we need elections?

Election is a mechanism by which people choose their representatives at regular intervals and change them if they wish to do so. In an election the voters make many choices. They can choose the one who will...

Asked by Ritik

Feb 28

  • 4 Answers
  • 12 Likes
  • 69823 Views
Chandan answered 1 year(s) , 4 month(s) ago

why lysosomes are known as suicide bags

Solution:
Lysosomes are cellular organelles that contain digestive enzymes that break down waste materials, foreign material and cellular debris. Lysosomes are capable of digesting nuc...

Asked by Garishma

Jul 15

  • 170 Answers
  • 22 Likes
  • 68579 Views
Manoharan commented 3 year(s) , 4 month(s) ago

Derivation of equations of motion

Derivation of The Equations of Motion


Derivation of S = ut + ½ at2


Derivation of v2 - u2<...

Asked by Manoharan

Jun 28

  • 1 Answer
  • 14 Likes
  • 65917 Views
Syeda answered 1 year(s) , 6 month(s) ago

Find the missing frequencies in the following frequency distribution


Given, mean = 50.25
Sum of observations = 80
That is (60 + x + y) = 80
(x + y) = 20 … (1)
Mean = (2880 + 45x + 75y)/80
That is (50.25 × 80) = 2880 + 45x + 75y...

Asked by Harsh

Feb 9

  • 2 Answers
  • 9 Likes
  • 65229 Views
Aruna kumari answered 4 year(s) , 1 month(s) ago

Non - Farm Activities.

Non - Farming activities includes activities excluding agriculture. Some of the non - farming activities are:

Dairy - It is a common activity in many villages. People feed their buffalo...

Asked by Hunny

Oct 26

  • 1 Answer
  • 14 Likes
  • 60758 Views
Syeda answered 1 year(s) , 6 month(s) ago

Tricks to learn atomic masses first 20 elements

For your grade you need to remember atomic masses of first 20 elements.

The atomic mass is double the atomic number of an element. But it is not applicable for all the elements in the periodic table.

...

Asked by Mragisha

Dec 19

  • 4 Answers
  • 10 Likes
  • 59639 Views
Agam answered 1 year(s) , 4 month(s) ago

Bisectors of angles B and C of a triangle ABC intersect each other at O .


In ΔABC, by angle sum property we have
2x + 2y + ∠A = 180°
⇒ x + y + (∠A/2) = 90°
⇒ x + y = 90° –  (∠A/2)  à (1)
In ΔBOC, we have
 x + y + ∠BOC = 180°
90°...

  • 2 Answers
  • 7 Likes
  • 59480 Views
Syeda answered 1 year(s) , 6 month(s) ago

why are Bryophytes called the Amphibians of the plant kingdom?

Amphibians are those organisms which live on both land and in water. Bryophytes are called amphibians of the plant kingdom because these plants though live in soil but they need water for sexual reproduction. T...

Asked by Anushka

Nov 25

  • 7 Answers
  • 14 Likes
  • 59250 Views
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