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CBSE->Std 10 Questions

Total Questions 2595
what will be the blood group of the child of parents both with blood group 'O'
What is Elastic Kinetic Energy & its derivation.
What is Photo Electric Effect & its derivation explained by Albert Einstein.
''the value of constant sin i / sin r for a particular medium'' was this a correct definition for REFRACTIVE INDEX?
compare and contrast the arrangements of elements in Mendeleev's periodic table and Moseley's periodic table
While going across a period , what changes happento elements? [points]
PERIODIC TABLE DEVELOPED BY Newland .explain with points its limitations ,drawbacks and acheivements. {chap periodic classification of elements ]
Explain MENDELEEV'S PERIODIC TABLE ANDITS DRAWBACKS,LIMITATIONS AND ACHEIVEMENTS .
explain periodic table of DOBEREINER WHAT WAS ITS LIMITATIONS AND ACHEIVEMENTS?
what is the difference between absolute refractive index and refractive index
Write an article in about 120 words on ‘The role of rag-pickers in saving the urban environment’.
what is covalent bond? did all elements form covalent bond.? explain with carbon compounds.
THE STORY OF MY LIFE By Helen Keller . i want its summary
what is REFRACTIVE INDEX ? DEFINE
if 'a' is the first term of an AP , 'd' is the common difference and 'Sn' is the sum , find Sn-2Sn_1-Sn_2
Explain the features of go east movement ?
What do you know about Alluri Sitarama Raju
A man on a cliff observes a boat at an angle of depression of 30? which is approaching the shore to the point immediately beneath the observer with a uniform speed. Six minutes later the angle of depression of the boat is found to be 60?. Find the total time taken by the boat to reach the shore.
Winston Churchill described mahatma Gandhi as a 'seditious Middle Temple Lawyer' now 'posing as a half naked fakir'. What provoked such a comment and what does it tell you about the symbolic strength of Mahatma Gandhi's dress?
which are the main html commands