1) the magnitude of the weight of the body at the centre of the earth with respect to the surface of the earth
2) why honey dissolve slowly in water as solvent
3) which experiment find out charge on the electron
4) speedometer is a device which is used to measure
5) the genetic material DNA is present naked in
6)train accelerates uniformly from 36 kilometre per hour to 72 kilometre per hour in 10 second find the distance travelled
7) how can bird fly in so high in the sky
8) which of this element which lose and gain electron
9) write three conventions to be followed while writing the scientific name of the organism write the scientific name of tiger
10) a light and a heavy object have the same momentum find out the ratio of their kinetic energy which one has larger kinetic energy
11) name two properties of a substance to wheek property
12) Newton law of gravitation is universal law because
13)write the formula to find the magnitude of the gravitational force between the earth and object on the earth surface
14) list two differences between thrust and pressure
15) what is meant by 1 Pascal and 1 Newton how will the pressure change if area of contact is doubled
16) what are the various type of animal tissue
17) draw the diagram of an epithelial present in the oesophagus of our body
18) mention briefly the location and one main function of each class of tissue
19) define isotopes give any two uses of isotopes in the field of medicine.
20) differentiate between isotope and isobar giving suitable example
21) how much water should be added to 15 gram of salt to be obtained 15% salt solution
22) the isotope of which element is used for treatment of cancer disease
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