The small hole in the middle of the iris is called?
The small hole in the middle of the iris is called?
Who discovered the positron?
Who discovered the positron?
According to which principle does the electric motor work?
According to which principle does the electric motor work?
Which of the following is not used as cooking fuel?
Which of the following is not used as cooking fuel?
Image is formed in the healthy eye of man?
Image is formed in the healthy eye of man?
In which direction does the magnetic needlepoint?
In which direction does the magnetic needlepoint?
Which metal is used to make a solar cell?
Which metal is used to make a solar cell?
Light year is a unit of which of the following physical sign?
Light year is a unit of which of the following physical sign?
Which of the following metals is used as a semiconductor in transistors?
Which of the following metals is used as a semiconductor in transistors?
Image formed due to far-sightedness?
Image formed due to far-sightedness?
Which of the following is a non-magnetic material?
Which of the following is a non-magnetic material?
X-rays cannot pass through what?
X-rays cannot pass through what?
What is silicon?
What is silicon?
Which of the following substances cannot be used for lenses?
Which of the following substances cannot be used for lenses?
Which metal is generally used for making electromagnets?
Which metal is generally used for making electromagnets?
Who introduced the fourth dimension in physics?
Who introduced the fourth dimension in physics?
What is a Coolidge tube used to produce?
What is a Coolidge tube used to produce?
Which item is used in the fabrication of the transistor?
Which item is used in the fabrication of the transistor?
The value of acceleration due to gravity is __________?
The value of acceleration due to gravity is __________?
Which material rod is often used to make electromagnets?
Which material rod is often used to make electromagnets?
What is the minimum distance of clear vision?
What is the minimum distance of clear vision?
What is the standard room temperature in Kelvin?
What is the standard room temperature in Kelvin?
The radius of curvature of a plane mirror is
The radius of curvature of a plane mirror is
In what form is heavy water used in a nuclear reactor?
In what form is heavy water used in a nuclear reactor?
Write the name who was the inventor of radar.
Write the name who was the inventor of radar.
Which of the following unit is Newton?
Which of the following unit is Newton?
Who is considered the inventor of the microphone?
Who is considered the inventor of the microphone?
The capacity of a convex lens is diopter, its focus will be different?
The capacity of a convex lens is diopter, its focus will be different?
How does pupil come in bright light?
How does pupil come in bright light?
Which of the following substances is magnetic?
Which of the following substances is magnetic?
Which of the following is the unit of Solid Angle?
Which of the following is the unit of Solid Angle?