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Hello mate
Here's ur answer
Which u have written are correct answer
Till 6.
7.A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.
8.A spectrum is a condition that is not limited to a specific set of values but can vary, without steps, across a continuum. The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism.
9.Consider a light-ray incident on a plane mirror, as shown in Fig. 56. The law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane. Furthermore, the angle ofreflection is equal to the angle of incidence .
10.Virtual image- The image that cannot be obtained on the screen are called virtual image.
For example,the image of our body formed by a plane mirror is a virtual image image.This image cannot be obtained on the screen.A virtual image is formed when the light ray coming from an object appears to be produced
Real- The image that can be obtained on the screen is called real image.
Hope it helpful to you
Here's ur answer
Which u have written are correct answer
Till 6.
7.A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.
8.A spectrum is a condition that is not limited to a specific set of values but can vary, without steps, across a continuum. The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism.
9.Consider a light-ray incident on a plane mirror, as shown in Fig. 56. The law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane. Furthermore, the angle ofreflection is equal to the angle of incidence .
10.Virtual image- The image that cannot be obtained on the screen are called virtual image.
For example,the image of our body formed by a plane mirror is a virtual image image.This image cannot be obtained on the screen.A virtual image is formed when the light ray coming from an object appears to be produced
Real- The image that can be obtained on the screen is called real image.
Hope it helpful to you
happygirl54:
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