Name of Diseases U0001f9a0 || #shorts #youtubeshorts #englishpractice #englishvocabulary

(a) Name group of diseases that last only for short period of time. (b) Name any one anatomical or physiological abnormality present in human beings since birth due to : (i) gene or chromosomal mutations (ii) environmental factors.

When some object is kept at a distances u_(1) and u_(2) from the concave mirror then size of images are found to be same. If magnitude of focal length can be written as ( u_(1)+ u_(2))//n , then what will be the value of n ? |{:(0,1,2,3,4,5,6,7,8,9):}|

Given the two concentration of HCN (K_(a)=10^(-9)) are 0.1 M and 0.001 M respectively. What will be the ratio of degree of dissociation?

If a current of 3.0 amperes flowing in the primary coil is reduced to zero in 0.001 second, then the induced e.m.f. in the secondary coil is 15000 "volts" . The mutual inductance between the two coils is

If the current in the primary coil is reduced from 3.0 ampere to zero in 0.001 second, the induced e.m.f in the secondary coil is 1500 volt. The mutual inductance of the two coils will be-