Ankita Podder (Sahoj Path)

5. Which of the following frequencies is not in the audible range of sound for human beings ?

4. Diamond and graphite are allotropes of

3. The fundamental organisational unit of life is

2. The Nobel Prize in Physiology or Medicine in the year 2020 was awarded for

1. A piece of wire of resistance R is cut into three equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R, then the ratio R/R, is