Timed Challenge - Answer & Submit | GK Mania

1 What is the index of refraction of diamond?

A) 1.33

B) 1.77

C) 2.42

D) 1.52

2 What is the SI unit of work?

A) Pascal

B) Joule

C) Newton

D) Watt

3 What keeps us on Earth?

A) Wind

B) Pressure

C) Gravity

D) Magnetism

4 What bends when light enters glass?

A) Shadow

B) Air

C) Glass

D) Light

5 What is impedance in an AC circuit?

A) Current times frequency

B) Voltage divided by power

C) Pure resistance only

D) total opposition to current

6 What is the unit of work done?

A) Watt

B) Volt

C) Newton

D) Joule

7 What is the Brewster angle?

A) The angle of total absorption

B) The critical angle

C) angle of incidence at which

D) The angle of maximum reflection

8 What is the magnetic permeability of free space?

A) 8.85 × 10⁻¹² F/m

B) 4π × 10⁻⁷ H/m

C) 1.26 × 10⁻⁶ T⋅m/A

D) 9.0 × 10⁹ N⋅m²/C²

9 What type of energy does a moving object have?

A) Nuclear energy

B) Thermal energy

C) Kinetic energy

D) Potential energy

10 What is the unit of electric potential?

A) Ohm

B) Watt

C) Ampere

D) Volt

Quiz

1 What is the index of refraction of diamond?

2 What is the SI unit of work?

3 What keeps us on Earth?

4 What bends when light enters glass?

5 What is impedance in an AC circuit?

6 What is the unit of work done?

7 What is the Brewster angle?

8 What is the magnetic permeability of free space?

9 What type of energy does a moving object have?

10 What is the unit of electric potential?

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Quiz

1 What is the index of refraction of diamond?

2 What is the SI unit of work?

3 What keeps us on Earth?

4 What bends when light enters glass?

5 What is impedance in an AC circuit?

6 What is the unit of work done?

7 What is the Brewster angle?

8 What is the magnetic permeability of free space?

9 What type of energy does a moving object have?

10 What is the unit of electric potential?

Navigator

Quiz Results