KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics: Questions 265 - 268 of 268

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Question number: 265

» Properties of Solids & Liquids » Pressure Due to a Fluid Column

Appeared in Year: 2016

MCQ▾

Question

A nurse measures the blood pressure of a seated patient to be of .

Choices

Choice (4) Response

a.

The blood pressure at the patient’s neck is more than of .

b.

The actual pressure is about times the atmospheric pressure.

c.

The blood pressure at the patient’s feet is less than of

d.

The actual pressure is about times the atmospheric pressure.

Question number: 266

» Dual Nature of Matter and Radiation » Particle Nature of Light

Appeared in Year: 2016

MCQ▾

Question

An electron and a photon have same wavelength of . If is the energy of the photon and is the momentum of the electron, the magnitude of in SI units is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 267

» Work, Energy and Power » Elastic and Inelastic Collisions

Appeared in Year: 2016

MCQ▾

Question

An electron with kinetic energy collides with a hydrogen atom in the ground state. The collision will be elastic,

Choices

Choice (4) Response

a.

for only.

b.

for all values of .

c.

for only.

d.

for .

Question number: 268

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

Appeared in Year: 2016

MCQ▾

Question

A gas at initial temperature undergoes sudden expansion from volume to . Then –

Choices

Choice (4) Response

a.

The work done in this process is where is the number of moles of the gas

b.

The process is adiabatic

c.

The entropy in the process does not change

d.

The process is isothermal

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