Maths
Chemistry
Atomic Structure and Chemical Bonding Practice Questions – Test 1 Set 3: Atomic Structure and Chemical Bonding Q4. (i) Name an element that does not contain a neutron. (ii) If an atom contains one electron and one proton, will it carry any charge or not? Q5. On the basis of Thomson’s model of an atom, …
Chemistry
Atomic Structure and Chemical Bonding Practice Questions – Test 1 Set 1: Atomic Structure and Related Concepts 1 Mark Questions Q1. Fill in the blanks with the correct choice given in brackets. (i) If an element has two electrons in its outermost shell, then it is likely to be a _____ [Metallic / Non-metallic]. (ii) …
fAqs -1
Convex Mirror Q&A Convex Mirror Q&A Q: What is the mirror formula for a convex mirror? A: The mirror formula for both concave and convex mirrors is: 1/f = 1/u + 1/v Q: What are the sign conventions for a convex mirror? A: For a convex mirror, we apply the following sign conventions: Focal length …
light faqs
Light and Atmospheric Phenomena: Essential FAQs Explained Why do stars twinkle at night? Stars twinkle because their light passes through various layers of Earth’s atmosphere with different densities, causing it to bend and refract. This process, known as atmospheric refraction, makes stars appear to flicker. Do planets twinkle? Why or why not? Planets …
atomic structure and chemical bonding
Atomic Structure and Chemical Bonding Exercises Atomic Structure and Chemical Bonding Exercises Exercise Set A What is the contribution of the following in Atomic structure? (a) Maharshi Kanada: Maharshi Kanada proposed that matter is composed of small, indestructible particles called atoms. (b) Democritus: Democritus theorized that all matter is made up of tiny, indivisible particles …
scale up
Upscaled Microbial Fuel Cell Setup Upscaled Microbial Fuel Cell Setup for Maximum Output This guide provides detailed instructions for setting up a microbial fuel cell (MFC) experiment with a focus on upscaling and achieving higher electricity output. Materials Required High Surface Area Electrodes: Use carbon cloth, carbon felt, carbon nanotubes, or graphene for both the …
Microbial fuel cell
Microbial Fuel Cell Experiment Setup Microbial Fuel Cell Experiment Setup This guide will walk you through the setup of a microbial fuel cell (MFC) experiment designed to maximize electricity output. Follow the steps carefully and ensure you have all the required materials. Materials Required Electrodes: Carbon cloth, graphite rods, or carbon felt for the anode …
Bones and muscles
Grade V: Bones and Muscles – Fill in the Blanks Grade V: Bones and Muscles – Fill in the Blanks 1. The longest bone in the forelimbs is the humerus. 2. The main components of the human skeleton are the skull, backbone, rib cage, limbs, and girdles. 3. The femur is the longest, strongest, and …
Grade VIII Mensuration-1
Math Problems – Comprehensive Document Math Problems – Comprehensive Document Set Alpha – Formulas Set A Rectangle (text{Perimeter} = 2(l + b)) (text{Area} = l times b) Trapezium (text{Area} = frac{1}{2} times (a + b) times h) Parallelogram (text{Area} = sqrt{s(s-a)(s-b)(s-c)}) where ( s = frac{a + b + c}{2} ) Circles (text{Circumference} = 2 …