Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

2 and 3 only

1, 2 and 3

1 and 2 only

1 only

2 and 3 only

1, 2 and 3

1 and 2 only

1 only

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Physics
Which phenomena shows the particle nature of light?

Polarisation

Interference

Photoelectric effect

Diffraction

Polarisation

Interference

Photoelectric effect

Diffraction

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Physics
On a rainy day, small oil films on water show brilliant colours. This is due to

dispersion

polarization

interference

diffraction

dispersion

polarization

interference

diffraction

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Physics
Which of the following criterion is used for any metal to be used as a cooking material ?

More thermal conductivity

Less electrical conductivity

More specific heat

Less thermal conductivity

More thermal conductivity

Less electrical conductivity

More specific heat

Less thermal conductivity

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Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV < lVIS < lIR

LUV > lIR > lVIS

LUV > lVIS > lIR

LUV < lIR < lVIS

LUV < lVIS < lIR

LUV > lIR > lVIS

LUV > lVIS > lIR

LUV < lIR < lVIS

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Physics
The blue colour of sky is due to

Scattering of longer wavelengths of sunlight in the atmosphere

Refraction of sunlight

Reflection of sunlight

Scattering of shorter wavelengths of sunlight in the atmosphere

Scattering of longer wavelengths of sunlight in the atmosphere

Refraction of sunlight

Reflection of sunlight

Scattering of shorter wavelengths of sunlight in the atmosphere

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Physics

Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

Physics Which phenomena shows the particle nature of light?

Physics On a rainy day, small oil films on water show brilliant colours. This is due to

Physics Which of the following criterion is used for any metal to be used as a cooking material ?

Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

Physics The blue colour of sky is due to

Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

Physics
Which phenomena shows the particle nature of light?

Physics
On a rainy day, small oil films on water show brilliant colours. This is due to

Physics
Which of the following criterion is used for any metal to be used as a cooking material ?

Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

Physics
The blue colour of sky is due to