Uses of Radio Isotopes (10th-Physics-Lesson-18.4)
18. 4 Uses of Radio Isotopes Although, all the isotopes of an element chemically behave identically, but every isotope emits...
Category: 9th 10th
Half Life (10th-Physics-Lesson-18.3)
We have already studied that radioactive elements continuously emit radiations, due to which they change into new elements. For example...
Natural Radioactivity (10th-Physics-Lesson-18.2) Part 2
Experiment A small quantity of the radioactive source was placed in a hole dug in a block of lead (fig....
Self Induction (10th-Physics-Lesson-17.8)
The number of lines of force in a magnetic field depends upon the strength of the field. A stronger field...
Mutual Induction (10th-Physics-Lesson-17.7)
Fig. 17.19 shows two coils X and Y, placed close to each other, the coil X has been connected with...
A.C. Generator (10th-Physics-Lesson-17. 6)
If a coil is rotated in a magnetic field, the magnetic flux passing through it would be maximum when its...
Electromagnetic Induction (10th-Physics-Lesson-17.5)
Magnetic lines of force can be drawn in any magnetic field. We have seen that in the magnetic field of...
Organic Affecting Human Health Part 5
Influenza Influenza is an illness affecting upper respiratory tract symptoms of the disease are fever, headache, and pain in the...
Organic Affecting Human Health Part 4
20. 9 some common diseases Tuberculosis (TB) Tuberculosis is worldwide but is most common in tropical areas. Tuberculosis takes a...
Organic Affecting Human Health Part 3
20.8.1 Vectors of diseases Germs are transmitted from an infected person to a healthy person by means of animals (for...
