NEET 2016 Phase 2 | Units & Measurement Question 29 | Physics

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

$${{\sqrt {hG} } \over {{c^{3/2}}}}$$

$${{\sqrt {hG} } \over {{c^{5/2}}}}$$

$$\sqrt {{{hc} \over G}} $$

$$\sqrt {{{Gc} \over {{h^{3/2}}}}} $$

AIPMT 2015

MCQ (Single Correct Answer)

-1

If dimensions of critical velocity $$\upsilon $$_c of a liquid flowing through a tube are expressed as $$\left[ {{\eta ^x}{\rho ^y}{r^z}} \right]$$ where $$\eta ,\rho $$ and r are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of x, y and z are given by

$$-$$1, $$-$$1, $$-$$1

1, 1, 1

1, $$-$$1, $$-$$1

$$-$$1, $$-$$1, 1

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

If energy (E), velocity (V) and time (T) are chosen as the fundamental quantities, the dimensional formula of surface tension will be

$$\left[ {E{V^{ - 2}}{T^{ - 2}}} \right]$$

$$\left[ {{E^{ - 2}}{V^{ - 1}}{T^{ - 3}}} \right]$$

$$\left[ {E{V^{ - 2}}{T^{ - 1}}} \right]$$

$$\left[ {E{V^{ - 1}}{T^{ - 2}}} \right]$$

AIPMT 2014

MCQ (Single Correct Answer)

-1

If force (F), velocity (V) and time (T) are taken as fundamental units, then dimensions of mass are

$$\left[ {FV{T^{ - 1}}} \right]$$

$$\left[ {FV{T^{ - 2}}} \right]$$

$$\left[ {F{V^{ - 1}}{T^{ - 1}}} \right]$$

$$\left[ {F{V^{ - 1}}T} \right]$$

Previous Next

NEET Subjects

Biology

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution