A small conical and sensitive projection lying at the anterior end of labia minora is called

Read the following statements and find out the incorrect statements. a. Mons pubis is a cushion of fatty tissue covered by skin and pubic hair. b. The labia minora are fleshy folds of tissue, which extend doen from the mons pubis and surround the vaginal opening. c. The opening of the vagina is often covered partially by a membrane called hymen. d. The clitoris lies at the upper junction of two labia majora above the urethral opening . e. The presence or absence of hymen is a reliable indicator of virginity or sexual experience.

Head of frog is……….. And its anterior conical part is called:-

Chord of a circle a line segment with its end- points lying on a circle is called the chord of the circle.

There is a fixed semicircular ring of radius R lying in yz plane ,with centre at origin and it is uniformly charged with charge +Q A pipe is fixed along x-axis from the origin ,The inner surface is pipe is smooth and is made of insultaing material .A small ball of charge +q And mass m is projected in the pipe with negligible velocity ,ball can move in the pipe whole arrangement is in gravity free space. The maximum acceleration of the ball in the pipe is