Question

The mirror commonly used in lasers and CD-ROM is

a.

plane mirror

b.

magnifying glass

c.

two way mirror

d.

one way mirror

Posted under General Knowledge

Answer: (d).one way mirror

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The mirror commonly used in lasers and CD-ROM is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. At the boundary of two optical media, light is

Q. If the refractive index of water is 1.33 and of air is 1, the value of critical angle for water at 90° refracted angle should be

Q. The greater the value of refractive index of a medium, the bending of light will be

Q. A girl accidently dropped a ring into a pool at night. She shone a powerful torch light to locate the ring. The refractive index of water is 1.33, what is the pool's depth?

Q. The refractive index is the ration between the speed of light in air or vacuum and

Q. The unit for the heat capacity is

Q. The symbol for heat capacity is

Q. The amount of thermal energy required to raise the temperature of 1 Kg of a substance by 1 K or 1 °C is known as

Q. To raise its temperature by 10 °C, 10 g of aluminum needs thermal energy of

Q. 100 g of water requires 13800 J of thermal energy to raise it from 20 °C TO 40°C. What is the heat capacity of 100 g of water?

Q. To raise its temperature by 10 °C, 10 g of copper needs thermal energy of

Q. 101 g of water requires 13800 J of thermal energy to raise it from 20 °C TO 40°C. What is the heat capacity of 1000 g of water?

Q. If Q is the thermal energy absorbed in J, δθ is the change in temperature in K or °C, the heat capacity is expressed as

Q. Besides the mass of the object, het capacity depends on the

Q. The component of internal energy due to vibration of the particles is known as

Q. If the temperature of the substance rises, it is due to the increase in the

Q. The component of internal energy due to stretching and compressing of the interatomic bonds is known as

Q. Internal energy comprises of

Q. The kinetic component is directly related to

Q. 1000 g of water has ten times the heat capacity of

Recommended Subjects

Are you eager to expand your knowledge beyond General Knowledge? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!