The Magnifying Power Or A Telescope Is M. If The Focal Length Of The Eye Piece Is Halved, Then Its Magnifying Power Is
4 Years Ago
Contribute & Test Your Skills
- Unit, Dimension & Measurement
- Motion In One Dimension
- Thermodynamics
- Work, Energy & Power
- Rotational Motion
- Gravitation
- Laws of Motion
- Properties of Solids & Liquids
- Electronic Devices
- Kinetic Theory of Gases
- Wave Motion
- Communication Systems
- Current Electricity & Heating Effect
- Magnetic Effects of Current & Magnetism
- Electromagnetic Induction & Alternating Currents
- Electromagnetic Waves
- Optics Photometry
- Transmission of Heat
- Electrostatics
- Atomic Structure
- Mechanical Properties of Fluids
- Thermal Properties of Matter
- Circular Motion
- Projectile Motion
- Friction
- Properties of Bulk Matter
- Surface Tension
- Simple Harmonic Motion
- Capacitor
- Alternating Current
- Electron, Photon & X-Ray
- Nuclear Physics
- Valve Electronics
- Optical Instrument
- Reflection of Light
- Refraction of Light
- Wave Optics
- Mathematics In Physics
Popular Questions
- A watch shows time as 3 : 25 when seen through a mirror, time appeared will be
- A ray of light is incident at 50° on the middle of one of the two mirrors
- A ray of light incidenting normally on a plane mirror. The angle of reflection will be
- Two mirrors are inclined at an angle of 50° . The number of images formed for an object placed in between the mirrors is
- A ray of light incidents on a plane mirror at an angle of 30° . The deviation produced in the ray is
- If two mirrors are kept at 60° to each other, then the number of images formed by them is
- A man runs towards a mirror at a speed 15m/s The speed of the image relative to the man is
- a person is in a room whose ceilling and two adjacent walls are mirrors.How many images are formed
- A man having height 6 m. He observes image of 2m height erect, then mirror used is
- a transparent solid cylindrical rod has a refractive index of
- a thin glass (refractive index 1.5) lens has optical power of
- Focal length of a plane mirror is
- Two plane mirrors are perpendicular to each other. A ray after suffering reflection from the two mirrors will be
- Two plane mirrors arc inclined at an angle . It is found that a ray incident on one mirror at any angle is rendered parallel to it..
- A light beam is being reflected by using two mirrors, as in a periscope used in submarines
- The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by
- The magnifying power or a telescope is m. If the focal length of the eye piece is halved, then its magnifying power is
- the refractive index of glass is 1.520 for red light and
- A real object is placed at a distance f from the pole of a convex mirror, in front of the convex mirror. If focal length of the mi..
- A man runs towards mirror at a speed of
- A man length h requires a mirror
- A small object is placed 10cm infront of a plane mirror
- An object is at a
- an object 2.4 m in front of a lens forms a sharp image on a film
- A beam of light from a source L is incident normally
- Where should a person stand straight from the pole of a convex mirror of focal length 2.0 m on its axis, so that the image formed ..
- An astronomical telescope has objective and eye piece lenses of powers 0.5 D and 20 D. respectively. What will be its magnifying p..
- VAn object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm. The image is produced at
- To get three images of a single object, one should have two plane mirrors at an angle of
- two point white dots are 1mm apart on a block paper on a block paper.
- Two mirrors at an angle
- Two plane mirrors are at right angles to each other
- two coils are placed closed to each other. the mutual
- A plane mirror reflects is a pencil of light to form a real image
- The far point of myopia person is 80 cm in front of his eye. The power of the lens required to see very distant objects is
- A ray of light is incident on a plane mirror at an angle of 60 degree . The angle of deviation produced by the mirror is
- Which mirror is to be used to obtain a parallel beam of light from a small lamp?
- Two plane mirror are inclined to each other such that a ray of light incident on the first mirror
- The power of plane mirror is
- A thick plane mirror shows a number of images of the filament of an electric bulb
