Write a short note on nature of light.

1.	Write a short note on nature of light.
Answer» 1. Light is a form of energy. 2. It travels as stream of tiny particles called photons. 3. A photon contains a quantum of light. 4. Light has different wavelengths having different colors. 5. One can see electromagnetic radiation with wavelengths ranging from 390nm to 730nm. This part of the spectrum is called the Visible light. 6. It lies between wavelengths of ultraviolet and infra-red.

Answer»

1. Light is a form of energy.

2. It travels as stream of tiny particles called photons.

3. A photon contains a quantum of light.

4. Light has different wavelengths having different colors.

5. One can see electromagnetic radiation with wavelengths ranging from 390nm to 730nm. This part of the spectrum is called the Visible light.

6. It lies between wavelengths of ultraviolet and infra-red.

Discussion

No Comment Found

Related InterviewSolutions

Complete girdling ultimately kills the tree due toA. Starvation of rootB. Stoppage of photosynthesisC. Non-movement of mineralsD. Non-movement of water.
A tree is believed to be releasing oxygen during night time. Do you believe the truthfulness of this statement? Justify your answer by giving reasons?
Which would do maximum harm to a tree?(a) Loss of half of its branches (b) Loss of half of its flowers(c) Loss of all of its leaves (d) Loss of a little bark
NADP is expanded as:(a) Nicotinamide, adenosi ne dinucleotide phosphate(b) Nicotinamide, adenine dinucleotide phosphate(c) Nicotinamide, adenine dinucleous phosphate(d) Nicotinamide, adenosine dinudeous phosphate
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:(a) Remove starch from the plant(b) Ensure that starch is not translocated from the leaves(c) Remove chlorophyll from the leaf of the plant(d) Remove starch from the experimental leaf
The main difference between chlorophyll ‘a’ and ‘b’ is:(a) Chlorophyll ‘a’ is a linear chain compound and ‘b’ is b ranched chain(b) Chlorophyll ‘a’ has no Mg ion in centre of molecule(c) In chlorophyll ‘a’ there is — CH3 group whereas in ‘b’ it is — CHO group(d) All of the above
Plants do not store carbohydrate as glucose but do so as starch because glucoseA. Is unstableB. Attracts herbivoresC. Will change nucleic acidsD. Alters osmotic balance.
Compensation point means the condition:(a) When the entire food manufactured in photosynthesis remains unutilised(b) When the pot is watered just to meet the full requirement of the plant(c) When rate of photosynthesis is equal to rate of respiration(d) Where there is neither photosynthesis nor respiration.
`ETC` of photosynthesis process isA. Bound to thylakoid membraneB. Present in stromaC. Bound to outer chloroplast membraneD. Dispersed in sytosol.
Which one is photophosphorylationA. `ADP+AMP overset("Light energy")(rarr) ATP`B. `ADP+" Inorganic phosphate" overst("Light energy")(rarr) ATP`C. `ADP+" Inorganic" PO_(4) rarr ATP`D. `AMP+" Inorganic" PO_(4) overset("Light energy")(rarr) ATP`.

Write a short note on nature of light.

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment