Get a free home demo of LearnNext
Available for CBSE, ICSE and State Board syllabus.
Call our LearnNext Expert on 1800 419 1234 (tollfree)
OR submit details below for a call back
Chayanika Guin
Nov 16, 2013
what is the derivation of mirror formula of concave and convex mirror?
Sabu
Jun 24, 2014
An electric bulb is rated 220V and 100W. when it is operated on 110V, what will be the power consumed?
Nidhi Maithani
Dec 3, 2014
What is the difference between a virtual image and a real image?
Manikanth
May 17, 2014
Why should curd and sour substances not be kept in brass and copper vessels?
sour substances are cidic in nature,i.e, they have acids in them. So, when they are kept in brass or copper vessels, they react...
Unmukt
Jan 19, 2014
uses of convex lens in daily life.,.
Some uses of convex lens are:
Sudharsan s
May 7, 2015
What is the difference between resistance and resistivity of a conducter? Please Explain?
Anuj A
Mar 1, 2015
Difference between mendeleevs periodic table & mordern periodic table
Ayushman
Feb 26, 2014
write the similarities between dobereiner's triads and newland's law of octaves?
write the change in modern periodic table as we go from left to right and top to bottom in context to -
(1)valency electrons
(2)valency
(3)electronegativity
(4)metallic character
(5)electron affinity
(6)atomic size
also explain how?
write the change in modern periodic table as we go from left to right and top to bottom in context to -
(1)valency electrons
(2)valency
(3)electronegativity
(4)metallic character
(5)electron affinity
(6)atomic size
also explain how?
�i) � Atomic weights of elements were determined with the help of periodic table
Atomic weight = Valency ´ Equivalent weight = Group number ´ Equivalent weight.
...
Prateek Jain
Jul 9, 2015
I want all the formulas used in chapter electricity
1- I,current=Q,charge/T,time
2- V,potential differnce=W,work done/Q,charge
3-V,potential difference=I,cureent*R,resistance
4-Resisitivity=(R,resista...
Nikhil Sikka
Jun 13, 2014
what is rancidity ? write different methods of preventing rancidity .
Chayanika Guin
Nov 16, 2013
what is the derivation of mirror formula of concave and convex mirror?
Sabu
Jun 24, 2014
An electric bulb is rated 220V and 100W. when it is operated on 110V, what will be the power consumed?
Nidhi Maithani
Dec 3, 2014
What is the difference between a virtual image and a real image?
Manikanth
May 17, 2014
Why should curd and sour substances not be kept in brass and copper vessels?
sour substances are cidic in nature,i.e, they have acids in them. So, when they are kept in brass or copper vessels, they react...
Unmukt
Jan 19, 2014
uses of convex lens in daily life.,.
Some uses of convex lens are:
Sudharsan s
May 7, 2015
What is the difference between resistance and resistivity of a conducter? Please Explain?
Anuj A
Mar 1, 2015
Difference between mendeleevs periodic table & mordern periodic table
Ayushman
Feb 26, 2014
write the similarities between dobereiner's triads and newland's law of octaves?
write the change in modern periodic table as we go from left to right and top to bottom in context to -
(1)valency electrons
(2)valency
(3)electronegativity
(4)metallic character
(5)electron affinity
(6)atomic size
also explain how?
write the change in modern periodic table as we go from left to right and top to bottom in context to -
(1)valency electrons
(2)valency
(3)electronegativity
(4)metallic character
(5)electron affinity
(6)atomic size
also explain how?
�i) � Atomic weights of elements were determined with the help of periodic table
Atomic weight = Valency ´ Equivalent weight = Group number ´ Equivalent weight.
...
Prateek Jain
Jul 9, 2015
I want all the formulas used in chapter electricity
1- I,current=Q,charge/T,time
2- V,potential differnce=W,work done/Q,charge
3-V,potential difference=I,cureent*R,resistance
4-Resisitivity=(R,resista...
Nikhil Sikka
Jun 13, 2014