Venus and Moon Conjunction Rare Celestial Event: An Overview

Venus and Moon Conjunction apniphysics
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 will see what are basic astronomical terminology and about to the Moon and venus, and ...
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MCQ LASER Section b-2022

laser mcq part 2
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 spectrum d.) X-ray spectrum   Q2        The first step to getting output from a laser ...
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MCQ on LASER-Section-A2022

laser mcq part-1
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 b.) two energy levels c.) three energy levels d.) none of above   Q3. Ordinary ...
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Diffraction Grating Experiment Quiz

grating experiment
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 about the experiment. Experiment means not taking the reading and calculations or complete the practical ...
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Spherical Mirrors Learning Steps for Optics Chapter

Reflection of light by Spherical Mirrors
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 by Spherical Mirrors Reflection of light from curved surfaces includes some basic terms that you ...
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Table of 20 | Read and Learn 20 Multiplication Table | Maths

20
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 x 5 = 100 20 x 6 = 120 20 x 7 = 140 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 x 5 = 95 19 x 6 = 114 19 x 7 = 133 19 ...
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Table of 18 | Read and Learn 18 Multiplication Table | Maths

18.4
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 x 5 = 90 18 x 6 = 108 18 x 7 = 126 18 ...
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