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We want to connect the people who have knowledge to the people who need it, to bring together people with different perspectives so they can understand each other better, and to empower everyone to share their knowledge.
Do you have any tips for us, as we start documenting our biodiversity register?
Begin by visiting diverse habitats like parks, forests, and gardens. Carefully document plant names, scientific names, habitats, uses, and seasonal patterns. Use tools like Google Lens, reference books, or biodiversity apps for species identification. Engage with community elders or experts for tradRead more
Begin by visiting diverse habitats like parks, forests, and gardens. Carefully document plant names, scientific names, habitats, uses, and seasonal patterns. Use tools like Google Lens, reference books, or biodiversity apps for species identification. Engage with community elders or experts for traditional knowledge and insights. Take photographs or make sketches to enhance records. Regularly update the register to track changes over time, ensuring an accurate and valuable biodiversity record.
See lessWhat types of habitats exist in your surroundings?
Surroundings often include habitats such as forests, wetlands, grasslands, urban parks, and agricultural fields. Forests support a variety of trees and wildlife, while wetlands harbor aquatic plants and animals. Grasslands provide shelter to grazing species, and urban areas feature landscaped gardenRead more
Surroundings often include habitats such as forests, wetlands, grasslands, urban parks, and agricultural fields. Forests support a variety of trees and wildlife, while wetlands harbor aquatic plants and animals. Grasslands provide shelter to grazing species, and urban areas feature landscaped gardens and green spaces. Each habitat supports unique biodiversity, influenced by factors like climate, soil type, and human activities. Observing these habitats reveals patterns in the distribution of plants and animals.
See lessWhen a body is heated, then maximum rise will be in its
When a body is heated up, it has an expansion of its particles. The body expands because the particles have all gained energy and are moving away. Expansion occurs in all dimensions, which includes increases in length, surface area, and volume. The rise in volume leads to a maximum change since it dRead more
When a body is heated up, it has an expansion of its particles. The body expands because the particles have all gained energy and are moving away. Expansion occurs in all dimensions, which includes increases in length, surface area, and volume. The rise in volume leads to a maximum change since it depends on the expansion in three dimensions: length, width, and height. The surface area increases in two dimensions. Length only expands in one dimension. Overall, expansion in volume is larger; thus, it is a correct choice to be compared with the effects of heating.
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See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-10/
The resistance of tungsten filament at 150°C is 133 Ω. What will be its resistance at 500°C? The temperature coefficient of resistance of tungsten is 0.0045 per °C.
To calculate the resistance of tungsten at 500°C, we make use of the formula for temperature-sensitive resistance: Rₜ = R₀ × [1 + α × (Tₜ - T₀)] Here, - R₀ = 133 Ω (resistance at T₀ = 150°C), - α = 0.0045 per °C (temperature coefficient), - Tₜ = 500°C. Now, substituting the values, Rₜ = 133 × [1 + 0Read more
To calculate the resistance of tungsten at 500°C, we make use of the formula for temperature-sensitive resistance:
Rₜ = R₀ × [1 + α × (Tₜ – T₀)]
Here,
– R₀ = 133 Ω (resistance at T₀ = 150°C),
– α = 0.0045 per °C (temperature coefficient),
– Tₜ = 500°C.
Now, substituting the values,
Rₜ = 133 × [1 + 0.0045 × (500 – 150)]
Rₜ = 133 × [1 + 0.0045 × 350]
Rₜ = 133 × [1 + 1.575]
Rₜ = 133 × 2.575 = 342.48 Ω.
The resistance is about 366 Ω.
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See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-10/
At which temperature, the centrigrade and Feherenheit scales are
The Celsius (centigrade) and Fahrenheit scales are equal at -40°. This can be derived using the conversion formula: F = (9/5)C + 32 Substitute F = C: C = (9/5)C + 32 Multiply through by 5 to eliminate the fraction: 5C = 9C + 160 Rearrange terms: -4C = 160 Solve for C: C = -40 Thus, the Celsius and FRead more
The Celsius (centigrade) and Fahrenheit scales are equal at -40°.
This can be derived using the conversion formula:
F = (9/5)C + 32
Substitute F = C:
C = (9/5)C + 32
Multiply through by 5 to eliminate the fraction:
5C = 9C + 160
Rearrange terms:
-4C = 160
Solve for C:
C = -40
Thus, the Celsius and Fahrenheit scales are equal at -40°.
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See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-10/