Class 9 Science AS2
Work and Energy 5 Modal with Answer Sheet Paper AS 2
Derive an expression for the kinetic energy of the body? Calculate the kinetic energy for a body of mass 5 Kg…
Derive an expression for the kinetic energy of the body? Calculate the kinetic energy for a body of mass 5 Kg…
A system which protects our body from diseases and infections is known as immune system. This system is devel…
When a nucleus emits a γ – ray than there is no change in the mass or charge of nuclide but energy of nuclide…
When a wave travels from one medium to another, the wavelength changes but not the frequency. The wavelength …
Sun - the sun heats up rocks during the day so that they expand. In night, the rocks cool down and contract. …
Bilateral symmetry – Body can be divided into two similar halves only by one plane that passes through the ce…
A compound was found to have the following percentage composition by mass Zn = 22.65%, S = 11.15%, H = 4.88%,…
1. Which has more inertia. (a) A stone or a tennis ball of the same size. 1mark 2. Air contains specific prop…
Why do we fall ill 1) Our body’s well-being is dependent on the proper functioning of it…
Natural resources 1) All life-forms on Earth require Sun’s energy as well as the resources on Earth like …
Improvement in food resources 1) Agriculture and animal husbandry provide us with all ou…
Diversity in living organisms Every living organism is unique and this uniqueness is the basis of the vast d…
Tissues 1) Tissue is a group of specialized cells with similar structure and performing …
Chapter: 9 The fundamental unit of life Notes pdf 1) In 1665, Robert Hooke first discovered and named t…
Atom परमाणु: किसी भी पदार्थ की मूल इकाई परमाणु कहलाती हैं जिसे ओर अधिक विभाजित नहीं किया जा …