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Ask QuestionPosted by Hemesh Bhoi 7 years, 11 months ago
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Posted by Ishant Meena 7 years, 11 months ago
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Posted by V K 7 years, 11 months ago
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Kritika Trehan 7 years, 11 months ago
The principle that when a ray of light, radarpulse, or the like, is reflected from a smoothsurface the angle of reflection is equal to theangle of incidence, and the incident ray, thereflected ray, and the normal to the surface atthe point of incidence all lie in the same
plane
.
Posted by Hianshu Pathak 7 years, 11 months ago
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Posted by Sourabh Choudhary 7 years, 11 months ago
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Kritika Trehan 7 years, 11 months ago
The fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
Posted by Karan Jalal 7 years, 11 months ago
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Kritika Trehan 7 years, 11 months ago
| l.No | Plant Cell | Animal Cell |
| Cell: size and shape | Plant cell have fixed and rectangular shape. | The animal cell is irregular and round in shape. |
| Cell wall | A cell wall is present | A cell wall is absent |
| Plasma membrane | Present | Present |
| Endoplasmic reticulum | Are present | Are present |
| Nucleus | Are present and lies on one side of the cell. | Are present and lies in center of the cell |
| Lysosomes | Are present but are very rare | Are present |
| Centrosomes | Are absent | Are present |
| Golgi apparatus | Are present | Are present |
| Cytoplasm | Are present | Are present |
| Ribosome | Present | Present |
| Plastids | Are present with chloroplast in them. | Plastids are absent |
| Essential nutrients | The plant cell can synthesize amino acids, vitamins and coenzymes which are required by them | The animal cell cannot synthesize amino acids, vitamins, and coenzymes which are required by them |
| Vacuoles | Usually large and few central vacuoles | Usually small and numerous central vacuoles |
| Cilia | Are absent | Most of the animal cells consist of cilia in them |
| Mitochondria | Are present and are fewer. | Are present and are numerous. |
| Ribosomes | Are present | Are present |
Posted by Aadarsh Kumar 7 years, 11 months ago
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Shazia Shazia 7 years, 11 months ago
Sara Khan 7 years, 11 months ago
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Nomula Nagarjuna Reddy 7 years, 11 months ago
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Gourav Rkita 7 years, 11 months ago
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Yogita Ingle 7 years, 11 months ago
An ideal fuel should have the following characteristics.
1. It should have a high calorific value.
2. It should not produce any harmful products on burning.
3. It sould causes minimum pollution of air.
4. It sould be cheap and readily available.
5. It should be easy to store, transport and handle.
Posted by Sourabh Choudhary 7 years, 11 months ago
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Amit Rao 7 years, 11 months ago
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Sneha Jha 7 years, 11 months ago
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