Venus and Moon Conjunction Rare Celestial Event: An Overview
Venus and Moon conjunction of March 24, 2023 was observed in the skies at different places in India and many other countries. Before this event, it was also observed at the end of month of Feb-2023. In this post you ...
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MCQ LASER Section b-2022
In this post, some conceptual and numerical questions are asked to make your concept clear about the LASER. MCQ LASER PArt-2 Q 1 The output of the He-Ne laser lies in a.) IR spectrum b.) visible spectrum c.) UV ...
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MCQ on LASER-Section-A2022
MCQ ON LASER Q1. The emission process responsible for producing laser is a)Spontaneous emission b) stimulation emission c.) ultraviolet emission d.) infrared emission Q2. For laser action to occur, the medium must have at least a.) Four energy levels ...
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Diffraction Grating Experiment Quiz
To determine the He-Ne gas LASER wavelength we use grating element. Which have 15000 lines per inch or it may very from laboratory to the laboratory. Diffraction Grating Experiment Quiz, it will help you to make your concept more clear ...
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Spherical Mirrors Learning Steps for Optics Chapter
The reflection of light by spherical mirrors or curved surfaces, we will study in this topic. Before I explain the steps I would recommend you to learn basic fundamentals or terminology that we use for mirrors. 1. Reflection of Light ...
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Table of 20 | Read and Learn 20 Multiplication Table | Maths
Multiplication table of 19 is written here in continuation of tables 18 and 19 for kids. TABLE OF 20 20 x 1 = 20 20 x 2 = 40 20 x 3 = 60 20 x 4 = 80 20 ...
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Table of 19 | Read and Learn 19 Multiplication Table | Maths
Multiplication table of 19 is written here in continuation of tables 17 and 18 for kids. TABLE OF 19 19 x 1 = 19 19 x 2 = 38 19 x 3 = 57 19 x 4 = 76 19 ...
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Table of 18 | Read and Learn 18 Multiplication Table | Maths
Multiplication table of 18 is written here in continuation of tables 16 and 17 for kids. TABLE OF 18 18 x 1 = 18 18 x 2 = 36 18 x 3 = 54 18 x 4 = 72 18 ...
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