Physics Most Important One Liner Question and Answer part-3
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Physics: Most Important One Liner Question and Answer part-3
Newton's first law is also called - law of roots.
On what principle do liquid machines work - Pascal theory
Mass of 10 moles of water is- 180 g.
Which force is the decaying force- friction force
Who is used in hydraulic press- Pascal rule
When a running car stops suddenly, the passengers lean forward - the law of speed
The material for the year-old Koto and Tambu is the source of water quality- Page stress
When a body is dropped from an airplane, what increases it – acceleration
We transform water energy into potential energy by a water pump.
When a stone block is immersed in water, it displaces water with the same -
What is the motion of a body which keeps repeating after a period of time- periodic motion
Due to which oil rises in the lamp light - capillary event
When a body is immersed in a fluid, what force acts on it - load, uptake
When a stone is thrown in the calm water of a pond, there are waves that rise on the surface of the water in the pond-Transverse
Why is the color of the sun red at sunrise and sunset - all the other colors are scattered except red.
The phenomenon of change in the direction of light when it passes from one medium to another is called – refraction
What would the sky look like in the absence of the earth's atmosphere – black
The blue color of the sky is visible due to which - scattering of shorter wave concentration
In which light diffusion occurs - colloidal solution
Whose unit is a diopter - the capacity of the lens
On which principle does the fiber optical cable used in communication work- total internal reflection of light
The object which absorbs all the colors and does not reflect any is seen- black
Movement of insects towards the source of light is called-Lucent
The division of white light into components is due to-Reflection
Why the thin layer of oil appears colored on the water surface - due to the interference
On which principle do optical fibers work - complete internal reflection
The color of the stars depends on- temperature
The sky appears blue due to this - Raleigh Scattering
Whose units are light years – distance
What causes Indra-dhanusha - refraction and reflection
Lux is the unit of which- Illumination
If a concave mirror has both the object and the image at the center of curvature, then the image is- the same size as the object.
Color of stars depends on- their temperature
Total internal reflection cannot occur when light - through water, enters the glass.
Hertz are the units of measure- Recurrent of waves
What are x rays - neutral particles
When flat glass clay is placed on colored letters, which letter appears less raised- red
Which phenomenon helps in deciding that light is a transverse wave – polarization
In which case, distant things appear out of focus – myopia
Who was the first to explain the hydrogen spectrum - Niels Bore
Who first measured the velocity of light – Roemer
Where are the mesons found in the laser beam
The conclusion of mass-energy relationship is- General Theory of Relativity
Signal of danger is usually red because red light: deviation is lowest
A simple dithering is a convex lens with a low focus.
'Myopia' can be corrected in Manav's eye - using right concave lens
What is the reason for the shimmer of stars - atmospheric refraction
Instrument is used for studying the reflection of light – spectrometer
On which principle do fiber optics work - full internal reflection
A remote sensing device has a built-in source - infrared ray
In a laser (neon laser), all atoms emit light waves - of the same frequency, of the same dimension, of the same art.
What are the complementary colors of yellow – blue
The reason why water pools appear less deep is
Color appears by applying white light on soap bubbles. The reason for this – Interpretation
The instruments used to see distant objects on the earth are earthly telescopes.
A clear cloudless day-time sky is blue - because molecules in the air scatter blue light from the sun more than they scatter red light.
When a ship enters the sea from the river- it rises a little.
With the appearance of blue color in the sky, there is a phenomenon of related light – scattering
Lens is made up of -Flint glass(aperture)
It takes the same time and the same kinetic energy to roll around on two inclined planes of different angles but of equal height.
Which types of light are used in remote photographing- Infra-red rays
How can the magnification capability of an astronomical telescope be reduced - by increasing the focus distance of the eye
Water bubble behaves like air in water- like the concave lens
Gulag appears red in the light of the sun. What will that rose look like in green light – black
The reason for the sparkle of the diamond is the complete reflection of light.
Expected waves for long distance wireless communication- Radio waves
'Liquid Brake' works on the principle - Pascal law
The bomb falls to mark the 'pilot' target - before the target
Parabolic mirrors are used - in car headlights
Red color is used as an emergency or danger signal because its wavelength is the longest.
Bats can detect obstacles because they produce - sound waves
The sharpness of an image on television is called - resolution (resolution).
In a simple microscope, the image is a virtual, magnified tabular radius.
On which principle does the periscope work – diffraction
A lateral view mirror for driving is convex.
The part of the eye with the highest refractive index is – lens
Light beam which is very directional, is called- laser
Energy in reflected light - does not depend on angle of incidence
Which color of light exhibits the most deviation when passing through a prism- Purple
When a light wave is reflected from a mirror, then there is a change in its wavelength.
What type of mirror is used in front lamps (head lights) of vehicles - concave mirror
What exactly is a magnifying lens - convex lens
What type of image does concave lens always make - virtual image
Whom does Gujarat face for full internal reflection of light - water from glass
People with myopia are advised to use them- Concave lens (concave lens)
To remove the headlight chandelier in motorcars - Polyrides are used.
lumen unit - of flame flux
Who was the founder of quantum theory of radiation – Planck
How are the magnetic waves used in television remote control – infrared
In motorcycles, why convex ions are used on the rear arrow to hold the mirror - it has a smaller shape than the real object.
What causes more biological damage - gamma rays
What is the light beam going from the critical angle of the respective pair to the mean to the sparse medium at the maximum incidence angle - the overall internal reflection
What is the mirror used to see the back traffic in an automobile – convex
Why the snow covered with sawdust does not melt quickly - sawdust is a bad conductor of heat.
Which instrument is used for photography of the Sun - Spectroheliograph
Which coolant is commonly used in a refrigerator - Freon
With which instrument is the temperature of a shining object accurately determined – Pyrometer
Which metal remains in liquid state at room temperature- mercury
At boiling point of liquids - temperature is constant