How is the rate of photosynthesis in a pond weed affected by the different colours of light?

How is the rate of photosynthesis in a pond weed affected by the different colours of light?
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Last Answer :  transmit or absorb light of different colours

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The blue colour of water in the sea is due to – (1) absorption of other colours except blue by water molecules (2) scattering of blue light by water molecules (3) reflection of blue light by impurities in sea water (4) reflection of blue sky by sea water

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A soap bubble shows colours when illuminated with white light. This is due to – (1) Diffraction (2) Polarization (3) Interference (4) Reflection

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The band of seven colours obtained due to the dispersion of white light is called?

Description : The band of seven colours obtained due to the dispersion of white light is called?

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What is the phenomenon of splitting white light into seven colours?

Description : What is the phenomenon of splitting white light into seven colours?

Last Answer : Dispersion

When viewed in white light, why do soap bubbles show colours?

Description : When viewed in white light, why do soap bubbles show colours?

Last Answer : Because of interference

Light colours absorb less heat therefore these are not heated as much as the black colour.

Description : Light colours absorb less heat therefore these are not heated as much as the black colour.

Last Answer : Ans: Dark colours do not exactly absorb more heat, but they do convert a higher percentage of light into heat. In the sun with a dark coloured shirt it gets hot, where a lighter ... and converted into heat. White objects reflect all visible light, where black objects absorb all visible light.

When white light is passed through a prism, it splits into ----- colours. A. 5 B. 6 C. 7 (Answer) D. 8

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Last Answer : C. 7 (Answer)

The image shows the dispersion of the white light in the prism. What will be the colours of the X, Y and Z? (a) X: red; Y: green; Z: violet (b) X: violet; Y: green; Z: red (c) X: green; Y: violet; Z: red (d) X: red; Y: violet; Z: green

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Last Answer : (b) X: violet; Y: green; Z: red

A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Description : A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Last Answer : (a) Blue

Pick up the correct statement from the following: (A) The refractive index of a medium varies according to the wavelength of the radiation, (B) The variation of the refractive index with wave length, is called dispersion, (C) The splitting of colours of white light by passing through a prism is caused due to dispersion (D) All of these

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Last Answer : Answer: Option D

The white light after falling on prism gets split into seven colours due to _______ of light. a) reflection b)refraction c)dispersion d)bend

Description : The white light after falling on prism gets split into seven colours due to _______ of light. a) reflection b)refraction c)dispersion d)bend

Last Answer : c)dispersion

Sun appears red in colour at sunrise and sunset due to (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun comes out of the mountains (4) that all other colours scatter away except red

Description : Sun appears red in colour at sunrise and sunset due to (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun comes out of the mountains (4) that all other colours scatter away except red

Last Answer :  that all other colours scatter away except red

The blue colour of water in the sea is due to (1) absorption of other colours except blue by water molecules (2) scattering of blue light by water molecules (3) reflection of blue light by impurities in sea water (4) reflection of blue sky by sea water

Description : The blue colour of water in the sea is due to (1) absorption of other colours except blue by water molecules (2) scattering of blue light by water molecules (3) reflection of blue light by impurities in sea water (4) reflection of blue sky by sea water

Last Answer : absorption of other colours except blue by water molecules

The sky appears blue because (1) all colours interfere to produce blue (2) in white light, the blue component dominates (3) the atmosphere scatters blue colour more than the others (4) it is actually blue

Description : The sky appears blue because (1) all colours interfere to produce blue (2) in white light, the blue component dominates (3) the atmosphere scatters blue colour more than the others (4) it is actually blue

Last Answer : the atmosphere scatters blue colour more than the others

A soap bubble shows colours when illuminated with white light. This is due to (1) Diffraction (2) Polarisation (3) Interference (4) Reflection

Description : A soap bubble shows colours when illuminated with white light. This is due to (1) Diffraction (2) Polarisation (3) Interference (4) Reflection

Last Answer : Interference

State the following, 1) Position of head light 2) Supply voltage for flasher light 3) Colours used for marker light 4) Frequencies for engine horn.

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How does the color of light affects the rate of photosynthesis?

Description : How does the color of light affects the rate of photosynthesis?

Last Answer : If white light is a mixture of several wavelengths of colors and the chlorophyll in green leaves absorb energies from all visible light except green, then exposing white light to a green plants will result in the fastest rate of photosynthesis, followed by blue or red.

When day light hours are increased, the rate of photosynthesis: (1) Increase (2) Decrease (3) Remains same (4) None of the above

Description : When day light hours are increased, the rate of photosynthesis: (1) Increase (2) Decrease (3) Remains same (4) None of the above

Last Answer : (3) Remains same Explanation: When day light hours are increased, the rate of photosynthesis remains unchanged.

The rate of photosynthesis is higher in (a) very high light (b) continuous light (c) red light (d) green light

Description : The rate of photosynthesis is higher in (a) very high light (b) continuous light (c) red light (d) green light

Last Answer : (c) red light

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate.(b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum. (c) Tomato is a greenhouse crop which can be grown in CO2-enriched atmosphere for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation rate (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum (3) Tomato is a greenhouse crop which can be grown in CO 2 - enriched atmosphere for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight

Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight

Last Answer : (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum

.In a pond there were 20 hydrilla plants .Through reproduction 10 new hydrilla plants were added in a year .What will be the birth rate of the plant

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Will the UV light from a bug zapper placed over my pond hurt the frogs' eyes?

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Are fish pond UV light ballasts typically somehow connected to the water pump?

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How does light takes from sun to your eye when you are looking a fish in a pond?

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Last Answer : Feel Free to Answer

An umbrella is made by stitching 10 triangular pieces of cloth of two different colours (see figure), each piece measuring 20 cm, 50 cm and 50 cm. -Maths 9th

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Five balls of different colours are to be placed in three boxes of different sizes. Each box can hold all five. In how many different ways -Maths 9th

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