NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 2069 - 2071 of 2142

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Question number: 2069

» Physics and Measurement » Dimensions of Physical Quantities

Appeared in Year: 2016

MCQ▾

Question

Planck’s constant (h), speed of light in vacuum (c) and Newton’s gravitational constant (G) are three fundamental constants. Which of the following combinations of these has dimension of length?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2070

» Properties of Solids & Liquids » Heat Transfer » Convection

Appeared in Year: 2016

MCQ▾

Question

Two identical bodies are made of a material for which the heat capacity increases with temperature. One of these is at Equation , while the other one is at Equation If the two bodies are brought into contact, then assuming no heat loss, the final common temperature is –

Choices

Choice (4) Response

a.

More then Equation

b.

Less than Equation but greater than Equation

c.

Equation

d.

Equation

Question number: 2071

» Electrostatics » Capacitors

MCQ▾

Question

A parallel – plate capacitor of area A, plate separation Equation and capacitance Equation is filled with four dielectric materials having dielectric constant Equation and Equation as shown in the figure below. If a signal dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constant Equation is given by,

A parallel plate capacitor of four dielectric materials

A Parallel Plate Capacitor of Four Dielectric Materials

In figure a parallel plate capacitor of four dielectric material is given.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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