Which effect shows particle nature of height? -Do You Know?

Which effect shows particle nature of height? -Do You Know?
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Which phenomena shows the particle nature of light? (1) Diffraction (2) Interference (3) Photoelectric effect (4) Polarisation

Description : Which phenomena shows the particle nature of light? (1) Diffraction (2) Interference (3) Photoelectric effect (4) Polarisation

Last Answer : (3) Photoelectric effect Explanation: The phenomena such as interference, diffraction, and polarization can only be explained when light is treated as a wave whereas photoelectric effect, line spectra, and the production and scattering of x rays demonstrate the particle nature of light.

Which effect shows particle nature of light?

Description : Which effect shows particle nature of light?

Last Answer : Photoelectric effec

What is a strong argument for the particle nature of cathode rays? -Do You Know?

Description : What is a strong argument for the particle nature of cathode rays? -Do You Know?

Last Answer : answer:

Which of the following supports particle nature of photons? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Description : Which of the following supports particle nature of photons? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Last Answer : (3) Photoelectric effect

__________ of the following phenomenon cannot be explained on the particle nature of light. A. Photo Electric Effect B. Compton’s Effect C. Pair Production D. Interference

Description : __________ of the following phenomenon cannot be explained on the particle nature of light. A. Photo Electric Effect B. Compton’s Effect C. Pair Production D. Interference

Last Answer : A. Photo Electric Effect

The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

Description : The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

Last Answer : ANSWER: W -- THE PHOTOELECTRIC EFFECT

The photoelectric effect is a demonstration of: w) the wave nature of light x) the particle nature of light y) Compton scattering z) the continuous spectrum of radiation

Description : The photoelectric effect is a demonstration of: w) the wave nature of light x) the particle nature of light y) Compton scattering z) the continuous spectrum of radiation

Last Answer : ANSWER: X -- THE PARTICLE NATURE OF LIGHT 

Which of the following supports particle nature of photons ? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Description : Which of the following supports particle nature of photons ? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Last Answer : Photoelectric effect

What is the escape velocity of a particle of mass m varies? -Do You Know?

Description : What is the escape velocity of a particle of mass m varies? -Do You Know?

Last Answer : answer:

According to Dalton’s atomic theory, which is the smallest particle which can exist independently? -Do You Know?

Description : According to Dalton’s atomic theory, which is the smallest particle which can exist independently? -Do You Know?

Last Answer : According to Dalton's atomic theory, the smallest particle which can exist independently is ATOM

The smallest particle of an element or a compound; which shows all the properties of that substance is known as?

Description : The smallest particle of an element or a compound; which shows all the properties of that substance is known as?

Last Answer : molecule

The law of conservation of mechanical energy is valid a.Irrespective of the nature of force field b.Only in gravitational field c.Only if the total work done by the particle in moving around in a closed trajectory is zero d.Only if the force is tangential to the trajectory e.None of the above

Description : The law of conservation of mechanical energy is valid a.Irrespective of the nature of force field b.Only in gravitational field c.Only if the total work done by the particle in moving around in a closed trajectory is zero d.Only if the force is tangential to the trajectory e.None of the above

Last Answer : c. Only if the total work done by the particle in moving around in a closed trajectory is zero

The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature

Description : The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature

Last Answer : a. Principle of conservation of mechanical energy

Which of the following particles has the dual nature of particle-wave? (1) Electron (2) Meson (3) Proton (4) Neutron

Description : Which of the following particles has the dual nature of particle-wave? (1) Electron (2) Meson (3) Proton (4) Neutron

Last Answer : (1) Electron

Which of the following particle has the dual nature of particle wave?

Description : Which of the following particle has the dual nature of particle wave?

Last Answer : Electron

What is a strong argument for the particle nature of cathode rays?

Description : What is a strong argument for the particle nature of cathode rays?

Last Answer : They are cast shadow

Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the (A) Physical nature, ash content and fineness of the coal (B) Amount of excess air supplied and load on the boiler (C) Type of burner and combustion chamber (D) All (A), (B) and (C)

Description : Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the (A) Physical nature, ash content and fineness of the coal (B) Amount of excess air supplied and load on the boiler (C) Type of burner and combustion chamber (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Particle nature of cathode rays is proved due to the fact that they (A) Travel in a straight line (B) Get deflected by magnetic electric field (C) Produce fluorescence (D) Heat the exposed material

Description : Particle nature of cathode rays is proved due to the fact that they (A) Travel in a straight line (B) Get deflected by magnetic electric field (C) Produce fluorescence (D) Heat the exposed material

Last Answer : Option B

Noble prize was awarded to De-Broglie for his work on particle nature of light in a) 1929 b) 1937 c) 1905 d) 1915

Description : Noble prize was awarded to De-Broglie for his work on particle nature of light in a) 1929 b) 1937 c) 1905 d) 1915

Last Answer : a) 1929

Diffraction and interference demonstrate which of the following? w) particle nature of light x) wave nature of light y) polarization of light z) refraction of light

Description : Diffraction and interference demonstrate which of the following? w) particle nature of light x) wave nature of light y) polarization of light z) refraction of light

Last Answer : ANSWER: X -- WAVE NATURE OF LIGHT

There are four fundamental forces in nature. A particle has been associated with each of these four forces. Name any TWO of these particles.

Description : There are four fundamental forces in nature. A particle has been associated with each of these four forces. Name any TWO of these particles.

Last Answer : ANSWER: GRAVITON (for gravity), PHOTON (for electromagnetiy), GLUONS for s

1. The anti-malarial drug Quinine is made from a plant. Which is that plant? 2. Who is entitled to initiate a Bill for Constitutional Amendments? 3. What is a strong argument for the particle nature of cathode rays? 4. A radio broadcast from Delhi on Monday at 7.30 p.m. it is heard at New York on which day? 5. Which was the last Buddhist text produced in India?

Description : 1. The anti-malarial drug Quinine is made from a plant. Which is that plant? 2. Who is entitled to initiate a Bill for Constitutional Amendments? 3. What is a strong argument for the particle ... rainfall? 20. Which was the most important kingdom after the Maury in the-Deccan and Central India?

Last Answer : Answer : 1. Cinchona 2. Either House of Parliament 3. They are cast shadow 4. The same day at 7.30 a.m. 5. Vamsathapakasini 6. Maastricht Treaty 7. Because it is acidic 8. ... 15. Cholas 16. Thermal power plants 17. Respiration 18. Constituent Assembly 19. Orographic rainfall 20. Satavahanas

Which of the following particles has the dual nature of particle– wave? (1) Electron (2) Meson (3) Proton (4) Neutron

Description : Which of the following particles has the dual nature of particle– wave? (1) Electron (2) Meson (3) Proton (4) Neutron

Last Answer : Electron

A particle inside a hollow sphere of internal radius r with coefficient of friction 1/?3 can rest upto height of a.0.18 r b.0.435 r c.0.25 r d.0.134 r e.0.125 r

Description : A particle inside a hollow sphere of internal radius r with coefficient of friction 1/?3 can rest upto height of a.0.18 r b.0.435 r c.0.25 r d.0.134 r e.0.125 r

Last Answer : d. 0.134 r

A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle? (1) Circle (2) Parabolic (3) Great circle (4) Hyper-parabolic

Description : A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle? (1) Circle (2) Parabolic (3) Great circle (4) Hyper-parabolic

Last Answer : (2) Parabolic Explanation: If a particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower then a parabolic path will be traversed by ... the point of projection and when it reaches the ground that point is called the point of impact.

Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is (A) 0.5 (B) 1 (C) √2 (D) √3

Description : Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is (A) 0.5 (B) 1 (C) √2 (D) √3

Last Answer : (B) 1

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below: Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8

Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system ... What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8

Last Answer : (C) 0.7

A suspended particle falls through a height minutes. If the viscosity of water is and specific gravity of the particle is , the diameter of the particle is (where M is a constant factor) (A) 103M (H/t) (B) 104M (H/t) (C) 105M (H/t) (D) 102M (H/t)

Description : A suspended particle falls through a height minutes. If the viscosity of water is and specific gravity of the particle is , the diameter of the particle is (where M is a constant factor) (A) 103M (H/t) (B) 104M (H/t) (C) 105M (H/t) (D) 102M (H/t)

Last Answer : Answer: Option C

A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? (1) Circle (2) Parabolic (3) Great circle (4) Hyper–parabolic

Description : A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? (1) Circle (2) Parabolic (3) Great circle (4) Hyper–parabolic

Last Answer : Parabolic

Which pairs of rays is electromagnetic in nature? -Do You Know?

Description : Which pairs of rays is electromagnetic in nature? -Do You Know?

Last Answer : answer:

Which is used as the logo of the World Wide Fund for Nature (WWF) ? -Do You Know?

Description : Which is used as the logo of the World Wide Fund for Nature (WWF) ? -Do You Know?

Last Answer : answer:

Which of the following carbohydrates is most abundant in nature? -Do You Know?

Description : Which of the following carbohydrates is most abundant in nature? -Do You Know?

Last Answer : answer:

Which waterfall in India has the most height? -Do You Know?

Description : Which waterfall in India has the most height? -Do You Know?

Last Answer : answer:

Geostationary orbit is at a height of howmany km? -Do You Know?

Description : Geostationary orbit is at a height of howmany km? -Do You Know?

Last Answer : answer:

The tropopause occurs at the equator at a height of howmany kilometers? -Do You Know?

Description : The tropopause occurs at the equator at a height of howmany kilometers? -Do You Know?

Last Answer : answer:

The tide at its maximum height is known by which name? -Do You Know?

Description : The tide at its maximum height is known by which name? -Do You Know?

Last Answer : answer:

How come you don't see dead lions in nature shows?

Description : How come you don't see dead lions in nature shows?

Last Answer : Nature is pretty efficient at cleaning up carcasses. And, where lions are naturally found, there is an abundance of carrion eaters. Why would you put a dead lion into a nature show? As an apex predator, they generally die of age and infirmity, and not around the pride.

`SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which of the following reactions shows its oxidising nature ?

Description : `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which of the following reactions shows its oxidising nature ?

Last Answer : `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which ... colloidal sulphur D. Turning acidified dichromate paper green

What is the map that shows the land as it was created by nature such water mountains or plains?

Description : What is the map that shows the land as it was created by nature such water mountains or plains?

Last Answer : An Atlas.A topographic map.

Despite being a Republican State, India is a member of the Commonwealth of Nations whose head is the British Monarch. This is because - (1) this membership does not affect the sovereign nature of the Indian Republic (2) this membership only shows that the British ruled over India (3) members of the association are sovereign and independent (4) it is a symbol of the unity among the members of the association

Description : Despite being a Republican State, India is a member of the Commonwealth of Nations whose head is the British Monarch. This is because - (1) this membership does not affect the sovereign nature of the ... sovereign and independent (4) it is a symbol of the unity among the members of the association

Last Answer : (2) this membership only shows that the British ruled over India Explanation: The Commonwealth of Nations is an intergovernmental organisation of 53 member states that were mostly territories of the former British Empire. The membership only shows that the British ruled over India.

A. We are usually inclined to look upon bad temper as a very harmless weakness, B. _________________________________ C. And yet all religious texts condemn it as one of the most destructive elements in human nature. (1) This shows that we lack judgement. (2) Often work pressure creates bad temper. (3) Bad temper harms human relationship. (4) We speak of it as a mere infirmity of nature, perhaps a family failing

Description : A. We are usually inclined to look upon bad temper as a very harmless weakness, B. _________________________________ C. And yet all religious texts condemn it as one of the most destructive elements in human ... relationship. (4) We speak of it as a mere infirmity of nature, perhaps a family failing

Last Answer : (4) We speak of it as a mere infirmity of nature, perhaps a family failing.