Question 1 Name one metal which has a low melting point? Question 2 Name two metals which are malleable and ductile? Question 3 Name one soft metal that can be cut with knife? Question 4 Name the metal which is the poorest conductor of heat? Question 5 Why copper and aluminium metals are used for making electric wires? Question 6 Why copper and aluminium metals … [Read more...] about Metals
Class 10
Work
Question 1 Calculate the work done in lifting 200kg of water through a vertical height of 6 m? Question 2 Define the term work? Question 3 What is the S.I. unit of work? Question 4 Is work a scalar or a vector quantity? Question 5 Define 1 joule of work? Question 6 What are the quantities on which the amount of work depends? Question 7 What is the condition … [Read more...] about Work
Electrical Energy and Power
Question 1 Define the term electrical energy? Question 2 Define the term electric power? Question 3 What is the SI unit of power? Question 4 What is the commercial unit of KWh? Electrical Energy The work done by a source of electricity to maintain a current in an electrical circuit is called as electrical energy. q= It W= Vq W= VIt E= VIt … [Read more...] about Electrical Energy and Power
Magnetic field and Field lines
Question 1 What is a magnet? Question 2 Define the term magnetic field? Question 3 Define magnetic force? Question 4 What are magnetic lines of forces? Question 5 What does very close field lines indicate? Question 6 Define uniform magnetic field? Question 7 Define non-uniform magnetic field? Question 8 Draw the pattern of field lines due to bar … [Read more...] about Magnetic field and Field lines
Fission
Question 1 What is fission? Question 2 Describe asexual reproduction in amoeba? Question 3 What is multiple fission? Question 4 Name few organism which show binary fission? Fission Many single celled organism like protozoa and bacteria just split into two identical halves during cell division,leading to the creation of new organism. For Ex:Amoeba,paramecium, … [Read more...] about Fission