Physics and Chemistry MCQs

KnowledgeableThermodynamics avatar
KnowledgeableThermodynamics
·
·
Download

Start Quiz

Study Flashcards

27 Questions

Which of the following metals has the highest reducing power based on the given information?

Ag

In the reversible expansion of an ideal gas under isothermal and adiabatic conditions, which parameter has the highest value?

Isothermal work

How many total nodes are there in an orbital that has 3 angular nodes?

5

In a hydrogen atom, what is the de Broglie wavelength of an electron in the second Bohr orbit?

$\frac{52.9}{3}$ pm

After two metal spheres of different sizes with the same surface charge are brought in contact and separated, how do the new surface charge densities compare?

$\frac{211.6}{\pi}$ $\ ext{pm}^{-1}$

What is the volume occupied by 1.8 g of water vapor at 374°C and 1 bar pressure?

55.87 L

In a simple harmonic motion (SHM), what is the distance covered by a particle in one time period if the amplitude is A?

A

When a mass falls from height 'h', and its fall time 't' is recorded in terms of the time period 'T' of a simple pendulum, what is the relationship between t and 2T?

t = 2T

What would be the ratio of terminal velocities of two small metal balls, one with a radius of 1 mm and the other with a radius of 2 mm, falling in a viscous medium with the given conditions?

t' < 2T'

What frequency does a tuning fork with 800 Hz produce when it resonates in a column tube with the upper end open and the lower end closed by water?

72 Hz

In the context of placental types, which type has the ovules attached to the placenta at the base of the ovary?

Basal

What is the process of exploring molecular, genetic, and species level diversity for novel economic products called?

Bioprospecting

Which method is considered an innovative solution for plastic waste?

Polyblend

What is the primary purpose of using a selectable marker in genetic engineering?

Help in eliminating non-transformants to regenerate transformants

What causes the pendulum to tilt to the left in the frame of the truck?

Angle of inclination of the Page

In which relationship is the coexistence between Orchid and the tree on which it grows NOT an example of?

Commensalism

If the energy gap of the LED is 1.9 eV, what will be the wavelength of the light emitted?

654 nm

What term is used to describe plant and animal species found exclusively in a specific geographical area like the Western Ghats?

Endemic

In the U-tube, when water and oil columns are at 15 cm and 20 cm respectively, what is the density of the oil?

1333 kg/m^3

What logic gate does the circuit diagram shown correspond to?

NOR

What does the thickness of the ice layer depend on in the rectangular pond scenario?

Outside air temperature

What is the angle of inclination with respect to the vertical in the case of the pendulum in the truck?

$\tan^{-1}(ga)$

What is the radius of curvature of the surface with a refractive index of 1.5 if the radius of curvature of the other surface is 157?

314

When a particle of mass 5m breaks into three fragments, two fragments move in mutually perpendicular directions with speeds of 100 cm/s and 50 cm/s. What is the total energy released during this process?

$18.75m$

Two bullets are fired simultaneously towards each other from rooftops of buildings 100m apart with a velocity of 25 m/s. When and where will the two bullets collide?

They will not collide

If an object of mass 500g initially at rest is acted upon by a variable force, what are the respective velocities of the object at x = 8m and x = 12m after 2 seconds?

$23 m/s$ and $24.4 m/s$

In stress-strain curves for materials X and Y, if material X has its ultimate strength point close to the fracture point while material Y has them far apart, what can be concluded about materials X and Y?

Brittle and ductile

Test your knowledge with multiple-choice questions in physics and chemistry. Solve questions related to volume of water vapour, simple harmonic motion, and more. This quiz includes questions similar to those found in exams like NEET.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free
Use Quizgecko on...
Browser
Browser