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Gaurav Kumar 2 years, 2 months ago

The principal focus is the half of the radius of curvature at imaginary line ,i.e,principal axis which join with the pole

Shruti Tiwari 2 years, 3 months ago

Principal focus of a concave mirror is a point on the principal axis of the mirror at which the light rays coming parallel to the principal Axis after reflection actually meet

Tejas Raj 2 years, 3 months ago

The principial focus of a concave is half of its centere of curvature where all light rays converge.
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Siddhi Raghuwanshi 2 years, 3 months ago

Nikl
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Pavitra Mandal 2 years, 3 months ago

Bar magnet is permanent magnet and electromagnet is temporary magnet
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Gaurav Kumar 2 years, 2 months ago

When an atom or a group of atom gain oxygen and lose hydrogen is called oxidation. When an atom or a group of atom gain hydrogen and lose oxygen is called reduction.

Himanshu Kumar 2 years, 3 months ago

Oxidation- when oxygen is added in a substance and hydrogen is removed from a substance is called oxidation reaction Reduction- when hydrogen is added in a substance and oxygen is removed from a substance is called reduction reaction

Tinku Barpete 2 years, 3 months ago

Please answer me
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Anitta Saji 2 years, 3 months ago

During most stages of sleep, the thalamus becomes quiet, letting you tune out the external world. But during REM sleep, the thalamus is active, sending the cortex images, sounds, and other sensation that fill our dreams.
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Gaurav Kumar 2 years, 2 months ago

Run with smooth friction,slippery friction and lagging friction
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Anitta Saji 2 years, 3 months ago

the main artery of the body, supplying oxygenated blood to the circulatory system.
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Bharat Barik 2 years, 3 months ago

Animals and fungi are directly or indirectly dependent on..... for life
Hi
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Abu Hamza 2 years, 3 months ago

The diameter of spherical mirror call aperture

Vishal Tiwari 2 years, 3 months ago

The effective width (distance) of the spherical mirror from which reflection of light can take place is called aperture of mirror. Spherical mirror a curved mirror is a mirror with a curved reflection surface.

Mohit Gothwal 2 years, 3 months ago

The diameter of Spherical Mirror is called Aperture... Spherical Mirror - A spherical mirror is a mirror whose reflecting surface is part of a hollow sphere of glass
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Annu Kumari 2 years, 3 months ago

Rain water contain acidd called acid rain
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Bharat Barik 2 years, 3 months ago

The blood in which oxygen is not present

Anonymous 2 years, 3 months ago

Venis

Mihir Gupta Gamer 2 years, 3 months ago

Deoxygenated Blood Transfer To Alveoli Through Pulmonary vein to Oxidised the blood
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Manasvi Manasvi 2 years, 3 months ago

ATP is a energy currency of our body. It's full form is Adenosine triphosphate .36 molecule of ATP can made from one molecule of glucose in the process of cellular Respiration

Anonymous 2 years, 3 months ago

ATP is a energy currency of our bo

Mihir Gupta Gamer 2 years, 3 months ago

ATP Is Body Currency 💲💲 Of Our Body Which we Get In Respiration
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Gungun Raj 2 years, 3 months ago

Transmission of receptors occur
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Devaki Priyamvada 2 years, 3 months ago

2HNO3+Ca(OH)2 -> Ca(NO3)2+2H20
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Iqra Idreshi 2 years, 3 months ago

To se things
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Shalini Singh 2 years, 3 months ago

The power of lens is the degree of convergence and divergence of lens.
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Daksh Verma 2 years, 3 months ago

Dioptre is represented by the symbol (d) D=1/5

Rohan Kumar 2 years, 3 months ago

Trt

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