ANSWERE ALL THA QUESTION GIVEN ABOVE IT IS ATTACHED THE SUBJECT IS PHYSICS.
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Answers
These are Question Answers
1. प्रिंसिपलल ऑफ पिनहोल कैमरा इज डेट Light travels in a straight Line
2. Birds take in Air and extract Oxygen from it to supply body tissue
3. CFC's that is (Choloflurocarbon )
4. Sorry don't know
5. This is called Shadow
6. Stratosphere
7. Carbon Dioxide
8. The Formation of Image
9. Solar viewing Glasses or Eclipse GlassesNow True and False True as (T) and False As (F)
1. False.
2. F
3. T
4. F
5. T
6. F ( They breathe Through their Skin )
7. F
8. T
9. F
10 . F
11. T
Dear I can tell these only प्लीज आप वैसा ही करना जैसे आपने ऊपर क्वेश्चन में लिखा है
Answer:
II. 1. rectilinear theory of light
2. lungs
3. chlorofluorocarbons (CFCs)
4.
5. shadow
6. stratosphere
7. Carbon dioxide
8. convergence
9. binoculars or telescope
III. 1. False
2. False
3. False
4. False
5. True
6. False
7. False
8. False
9. False
10. True
11. True
IV. 1. The following three things are required for a shadow to form: a source of light. an opaque object. a screen or surface behind the object.
2. A pinhole camera is a simple camera without a lens but with a tiny aperture – effectively a light-proof box with a small hole in one side.
3. Image
(1) It is formed by intersection of reflected rays.
(2) Image is seen when reflected rays approach to observer's eyes.
Shadow
(1) Shadow is formed when light does not reach behind the object.
(2) No light enters the observer's eyes.
4. Examples of transparent items are glass, water.
Plastic, wood are common examples of Opaque materials.
5. Nitrogen - Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA.
Oxygen - Oxygen is essential for respiration because the body uses it to 'burn' food molecules. Animals take in oxygen when inhaling and give off carbon dioxide when exhaling.
Carbon dioxide - Carbon is in carbon dioxide, which is a greenhouse gas that works to trap heat close to Earth. It helps Earth hold the energy it receives from the Sun so it doesn't all escape back into space.
Ozone layer - The ozone layer effectively blocks almost all solar radiation of wavelengths less than 290 nanometres from reaching Earth's surface, including certain types of ultraviolet (UV) and other forms of radiation that could injure or kill most living things.
Explanation:
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