Timed Challenge - Answer & Submit | GK Mania

1 In a p-n junction, what is the depletion region?

A) Region depleted of mobile charge carriers

B) Region of zero resistance

C) Region of maximum voltage

D) Region of maximum current

2 What is the role of the atrioventricular bundle (Bundle of His)?

A) Conducts impulse from AV node to ventricles

B) Delays conduction

C) Initiates heartbeat

D) Contracts atria

3 What is the potential energy of a dipole in an electric field?

A) U = pE

B) U = pEcosθ

C) U = −p·E = −pEcosθ

D) U = p/E

4 What is the Hammett equation used for?

A) Finding Ksp

B) Measuring pH

C) Quantifying substituent effects on reaction rates

D) Calculating Kp

5 What is the product of ozonolysis of ethylene?

A) Acetaldehyde

B) Acetone

C) Formaldehyde

D) Formic acid

6 What is de Broglie wavelength formula?

A) λ = m/hv

B) λ = mv/h

C) λ = h·mv

D) λ = h/mv

7 What is Pascal's law about?

A) Pressure transmitted equally in all directions

B) Buoyant force

C) Pressure increases with depth

D) Viscous drag

8 What is the fringe width in single slit diffraction?

A) 2λD/a (central max)

B) λD/a

C) λD/2a

D) λa/D

9 What is the condition for total energy to be negative in bound state?

A) KE < |PE| (bound system)

B) KE = PE

C) KE > |PE|

D) KE = 0

10 What is the Van der Waals equation for real gases?

A) PV² = nRT

B) (P + a/V²)(V − b) = nRT

C) P = nRT/V

D) PV = nRT

Quiz

1 In a p-n junction, what is the depletion region?

2 What is the role of the atrioventricular bundle (Bundle of His)?

3 What is the potential energy of a dipole in an electric field?

4 What is the Hammett equation used for?

5 What is the product of ozonolysis of ethylene?

6 What is de Broglie wavelength formula?

7 What is Pascal's law about?

8 What is the fringe width in single slit diffraction?

9 What is the condition for total energy to be negative in bound state?

10 What is the Van der Waals equation for real gases?

Navigator

Quiz

1 In a p-n junction, what is the depletion region?

2 What is the role of the atrioventricular bundle (Bundle of His)?

3 What is the potential energy of a dipole in an electric field?

4 What is the Hammett equation used for?

5 What is the product of ozonolysis of ethylene?

6 What is de Broglie wavelength formula?

7 What is Pascal's law about?

8 What is the fringe width in single slit diffraction?

9 What is the condition for total energy to be negative in bound state?

10 What is the Van der Waals equation for real gases?

Navigator

Quiz Results