A. Dichromatic
B. Monochromatic
C. Pentachromatic
D. None of these
Submitted by: Raza Baloch
Correct Answer: Monochromatic ✔
Last Updated: October 22, 2023
Related MCQs
- The back emf of a motor which is just started is_________?
- If the momentum of an object is increased twice, then what will be the kinetic energy?
- A body is falling freely under gravity. How much distance it falls during an interval of time between 1st and 2nd seconds of its motion, taking g=10 ?
- A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2
- Field particle of Electromagnetic interaction is _________?
- Frequency is the inverse of __________?
- In addition to the daughter nucleus and an electron or positron, the products of a beta decay
- Newton’s first law of motion gives the concept of _________?
- The unit of power is _________?
- Force 100N is applied on a wire produces extension 5mm in it. Energy stored in it is
- A__________has no size or shape, just position.
- The synopsis of Einstein’s equation E = mc² is that
- Neutron was discovered by: _________?
- Tesla is the unit for measuring:
- The distance between any two consecutive nodes or antinodes in a stationary wavelength (λ) is _________?
- Two coherent sources of light produce interference (destructive) when the phase difference between them is _________?
- Mohus scale is used for to measure __________?
- The unit of force in CGS, system is __________?
- Matter itself has energy called ________?
- Kirchhoff’s 2nd rule is related to: __________?
- The power is the dot product of __________ quantities.
- CGS system of units is also called __________?
- A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes:
- A bird sitting on a high tension electric wire does not get electrocuted because:
- Rainbow is seen after rain because of hanging molecules of water which act as __________?
- To measure the speed of an approaching car a police officer shines?
- A photostat machine works on __________?
- The owl can see most clearly in total darkness because:
- The audio signals of TV are __________?
- Which of the following statements is true when we see ‘rainbow’ ?
- Rain drops fall from great height Which among the following statements is true regarding it?
- Why the needle of iron swims on water surface when it is kept gently ?
- Which of the following are not deflected by electric and magnetic fields ?
- The value of acceleration due to gravity is minimum on which of these planets?
- The value of R ( Universal Gas Constant ) = __________?
- Mirage is an example of __________?
- A Circle has a number of tangents equal to _________?
- What is unit of conductivity?
- In fission process_______.
- What is the acceleration of free fall on the moon of that on the Earth ?
- CGS unit of Force is_________?
- The Capacity of doing work is called_________?
- What is the force of attraction between any two bodies by virtue of their masses is called?
- By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?
- If we look at the floating piece of iceberg on the sea, approximately what fraction of it is visible above the seawater level?
- Ohm is a unit of measuring _________?
- An artificial satellite revolves round the Earth in circular orbit, which quantity remains constant?
- If a lift is going up with acceleration, the apparent weight of a body is:
- With the increase of pressure, the boiling point of any substance:
- Which one of the following has the highest value of specific heat?
- If electrical conductivity increases with the increase of temperature of a substance, then it is a: