Current affairs Test — MockTest BD

Question 1 / 10 +1 mark

A body of mass 5 kg is moving with a velocity of 10 m/s. What is its kinetic energy?

A

250 J

B

500 J

C

125 J

D

1000 J

Question 2 / 10 +1 mark

Which of the following is a vector quantity?

A

Mass

B

Temperature

C

Velocity

D

Time

Question 3 / 10 +1 mark

The SI unit of electric current is:

A

Volt

B

Watt

C

Ampere

D

Ohm

Question 4 / 10 +1 mark

What is the speed of light in vacuum?

A

3×10⁶ m/s

B

3×10⁸ m/s

C

3×10¹⁰ m/s

D

3×10⁴ m/s

Question 5 / 10 +1 mark

Newton's second law of motion states that Force equals:

A

mass × acceleration

B

mass / acceleration

C

mass + acceleration

D

mass − acceleration

Question 6 / 10 +1 mark

The gravitational acceleration on Earth's surface is approximately:

A

8.9 m/s²

B

9.8 m/s²

C

10.8 m/s²

D

7.8 m/s²

Question 7 / 10 +1 mark

Which type of wave does not require a medium to travel?

A

Sound wave

B

Water wave

C

Electromagnetic wave

D

Mechanical wave

Question 8 / 10 +1 mark

The unit of electric resistance is:

A

Ampere

B

Volt

C

Watt

D

Ohm

Question 9 / 10 +1 mark

Ohm's law relates voltage (V), current (I) and resistance (R) as:

A

V = I/R

B

V = IR

C

V = I+R

D

V = I-R

Question 10 / 10 +1 mark

Which phenomenon explains the bending of light when it passes from one medium to another?

A

Reflection

B

Diffraction

C

Refraction

D

Interference