List the nuclear dissters that happened ini recent periods.

A satellite revolving around the earth loses height. What happens to its time period?

A nuclear event is shown in the diagram. a. Name the nuclear phenomenon. b. What happens to the residual nucleus? Explain. c. Compare the binding energy per nucleon of the daughter and the parent. d. At what time the h upsilon is emitted ? Explain.

Why Red list is prepared periodically?

Assertion (A): Atomic radius tends to decrease across a period. Reason (R): As we move from left to right along a period, the valence electrons are added to the same shell, nuclear charge increases and atomic radius decreases.

The effective nuclear charge across the period (from left to right)

Name the disease caused by HPV virus? List its symptoms and incubation period.

Wht happens in barrier method of birth control? List its types. What are the agents utilised in chemical barrier mthod?

Which disease is characterized by pus discharge in the genital tract? Metion its causative organism, incubation period. List their symptoms.