Question: In a simple pendulum experiment, the bob takes time t1 to move from its extreme position A to some intermediate point C, and t2 to move from C to the mean position O. Prove that the time period T of the pendulum is ( 4 bigl(t_{1} + t_{2}bigr). ) Given: The bob moves from …
Time Period of a Simple Pendulum Using Intermediate Times Read More »
Question 9 (i):A sinker is found to weigh 56.7 gf in water. When the sinker is tied to a cork of weight 6 gf, the combination is found to weigh 40.5 gf in water. Calculate the relative density of cork. Solution to Question 9 (i) Given: Weight of the sinker in water,( W_{s,w} = 56.7 …
Solutions to Grade IX ICSE Fluids Numerical Test (4th Feb 2025) Graded Worksheet 1 (Total Marks: 50) 1. Pressure exerted by high heels A woman weighing 600 N stands on heels with a contact area of 1 cm2. Converting area: (1~text{cm}^2 = 1 times 10^{-4}~text{m}^2). Pressure, (P = dfrac{600}{1 times 10^{-4}} = 6 times 10^6~text{Pa}). …
ICSE Grade IX Fluids Numerical Test 4th Feb 2025 Read More »
Answer Key ICSE Chemistry Term 2 (2025) Sample Paper Chapter: Gas Laws Section A: Multiple Choice Questions 1. The graph of PV vs P for a gas is: Answer: (c) A straight line parallel to the X-axis 2. The absolute temperature corresponding to 27°C is: Answer: (b) 300 K 3. The volume-temperature relationship of gases …
ICSE Chemistry Term 2 (2025) Gas Laws Answer Key Read More »
Question In the given curve, which segment represents half the wavelength? Options: AB BD DE AE Wave Diagram A B D E Diagram illustrating wave segments AB, BD, DE, and AE. Solution Explanation Click to View Solution A single full wavelength ((lambda)) is measured between two points on the wave that are in the same …
Half the Wavelength Explained: Identify the Correct Wave Segment with Examples Read More »
Gas Laws: Pressure, Temperature, and Advanced Numerical Scenarios Batch 14: Numericals on Pressure and Temperature Effects Q1: A steel tank of ( 50 , text{liters} ) capacity is filled with oxygen at ( 15 , text{atm} ). If the oxygen is used to fill cylinders of ( 10 , text{liters} ) capacity at ( 3 …
Gas Laws Mastery: Pressure, Temperature Effects, and Advanced Numerical Problems Read More »
Gas Laws: Numerical and Co</mark></mark>nceptual Problems Gas Laws: Numerical and Conceptual Problems Batch 13: Numerical and Conceptual Problems Gas laws are integral to understanding the behavior of gases under various conditions. They provide critical insights into how gases respond to changes in pressure, volume, and temperature, which are fundamental concepts in chemistry and physics. Furthermore, …
Gas Laws: Advanced Applications and STP Numericals Batch 11: Advanced Applications of Gas Laws Q1: A gas occupies ( 143 , text{cm}^3 ) at ( 27^circ text{C} ) and ( 700 , text{mm Hg} ). What will be its volume at ( 30^circ text{C} ) and ( 280 , text{mm Hg} )? Using the combined …
Gas Laws: Advanced Applications and STP Numericals Read More »
Comprehensive Gas Laws: Numerical Problems, Applications, and Graphs Batch 9: Numerical Problems on Gas Laws Q1: A gas occupies ( 800 , text{cm}^3 ) at ( 650 , text{mm Hg} ) pressure. At what pressure will its volume reduce to ( 480 , text{cm}^3 ), temperature being constant? Using Boyle’s Law: ( P_1 V_1 = …
Gas Laws Explained: Numerical Problems, Applications, Graphs, and Real-Life Examples Read More »
Advanced Q&A on Gas Laws Batch 5: Boyle’s Law – Numericals and Applications Q1: A gas occupies ( 800 , text{cm}^3 ) under ( 760 , text{mm Hg} ) pressure. Find the pressure when the gas will occupy ( 380 , text{cm}^3 ), assuming temperature remains constant. Using Boyle’s Law: ( P_1 V_1 = P_2 …
