A beam of light incident on a plane mirror forms a real image on reflection. The incident beam is :
Anonymous Quiz
39%
Parallel
44%
Convergent
14%
Divergent
3%
Not certian
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A student conducts an experiment using a convex lens. He places the object at a distance of 60 cm in front of the lens and observes that the image is formed at a distance of 30 cm behind the lens. What is the power of the lens?
Anonymous Quiz
26%
0.0005
32%
0.005
27%
0.05
14%
5
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) An image of an object produced on a screen which is about 36 cm using a convex lens. The image produced is about 3 times the size of the object. What is the size of the object?
Anonymous Quiz
36%
12cm
32%
14cm
21%
16cm
11%
18 cm
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Image formed by a convex spherical mirror is:
Anonymous Quiz
56%
Virtual
29%
Real
13%
Enlarged
3%
None
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A student conducts an activity using a flask of height 15 cm and a concave mirror. He finds that the image formed is 45 cm in height. What is the magnification of the image?
Anonymous Quiz
37%
1/3times
34%
2/3 time
16%
3/3times
12%
3 times
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A small gift - http://easylearning.live/
Not entirely ready
Last 2 din continously kaam kar raha hu (Suggestions are welcome for improvement)
Not entirely ready
Last 2 din continously kaam kar raha hu (Suggestions are welcome for improvement)
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Which chapter do you want next ?
Anonymous Poll
32%
History chapter 4
20%
Geography chapter 1
19%
Geography chapter 4
28%
Political science chapter 3
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Sucess is the only option | Motivational video in Hindi
https://youtu.be/glApkkdqB3I
https://youtu.be/glApkkdqB3I
YouTube
Sucess is the only option | Motivational video in Hindi
Success is the only option | Motivational video in Hindi | Phase 1 | Day 16
---------------------------------------------------------------
📚 Website - http://easylearning.live/
---------------------------------------------------------------
Video Link -…
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📚 Website - http://easylearning.live/
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Video Link -…
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Which of the reactions is used in black and white photography?
Anonymous Quiz
35%
Combination reaction
41%
Decomposition reaction
17%
Displacement reaction
7%
None
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Which of the reactions is used in black and white photography?
Anonymous Quiz
20%
Gain of oxygen
33%
Loss of oxygen
25%
Gain of hydrogen
22%
Allll
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When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:
Anonymous Quiz
17%
Fat
43%
Carbohydrates
36%
Starch
4%
Protein
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Chemicals present in the tobacco smoke lead to the breakdown of the elastic tissue in the alveoli. Name this specific condition.
Anonymous Quiz
15%
Heart diease
24%
Emphysema
59%
Lungs cancer
2%
None
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