18 verified questions · ~20 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
A light hollow cube of side length 10 cm and mass 10 g, is floating in water. It is pushed down and released to execute simple harmonic oscillations. The time period of oscillations is yπ × 10⁻² s, where the value of y is (Acceleration due to gravity, g = 10 m/s², density of water = 10³ kg/m³)
Given below are two statements: Statement I: The hot water flows faster than cold water. Statement II: Soap water has higher surface tension as compared to fresh water. In the light of the above statements, choose the correct answer from the options given below:
Answers are revealed after you attempt — that's what makes the diagnosis honest.