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An object is placed in front of a convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror
06
Oct
An object is placed in front of a convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror A ray of monochromatic light is incident on the refracting face of a prism (angle 75). [...]
The refractive index of material of a prism of angles 45, -45, and -90 is 1.5. The path of the ray of light incident normally on the hypotenuse side is shown in
06
Oct
The refractive index of material of a prism of angles 45, -45, and -90 is 1.5. The path of the ray of light incident normally on the hypotenuse side is shown in -45 and -90 is 1.5. The path of the ray of light incident normally on the hypotenuse side is shown in The refractive [...]
A ray of monochromatic light is incident on the refracting face of a prism (angle 75). It passes through the prism and is incident on the other face at the critical angle. If the refractive index
06
Oct
A ray of monochromatic light is incident on the refracting face of a prism (angle 75). It passes through the prism and is incident on the other face at the critical angle. If the refractive index A ray of monochromatic light is incident on the refracting face of a prism (angle 75). It passes through [...]
A fish rising up vertically toward the surface of water with speed 3 m/s observes a bird diving down vertically towards it with speed 9 m/s. The actual velocity of bird is
06
Oct
A fish rising up vertically toward the surface of water with speed 3 m/s observes a bird diving down vertically towards it with speed 9 m/s. The actual velocity of bird is A fish rising up vertically toward the surface of water with speed 3 m/s observes a bird diving down vertically towards it with [...]
A glass prism has refractive index root 2 and refracting angle 30. One of the refracting surface of the prism is silvered. A beam of monochromatic light will retrace it path if its angle of incidence
06
Oct
A glass prism has refractive index root 2 and refracting angle 30. One of the refracting surface of the prism is silvered. A beam of monochromatic light will retrace it path if its angle of incidence A glass prism has refractive index root 2 and refracting angle 30. One of the refracting surface of the [...]
100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows: Determine the median number of letters in the surnames. Find the mean number of letters in the surnames? Also, find the modal size of the surnames.
06
Oct
100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows: Determine the median number of letters in the surnames. Find the mean number of letters in the surnames? Also, find the modal size of [...]
The following table gives the distribution of the life time of 400 neon lamps: Find the median life time of a lamp.
06
Oct
The following table gives the distribution of the life time of 400 neon lamps: Find the median life time of a lamp. The following table gives the distribution of the life time of 400 neon lamps: Find the median life time of a lamp. October 6, 2020 Category: Chapter 14 - Statistics , Maths , [...]
ACB is right angled prism with other angles as 60 and 30. Refractive index of the prism is 1.5. AB has thin layer of liquid on it as shown. Light falls normally on the face AC. For total internal reflections,
06
Oct
ACB is right angled prism with other angles as 60 and 30. Refractive index of the prism is 1.5. AB has thin layer of liquid on it as shown. Light falls normally on the face AC. For total internal reflections, The image of an object placed on the principal axis of a concave mirror of [...]
The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table:
06
Oct
The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table: and the data obtained is represented in the following table: The lengths of 40 leaves of a plant are measured correct to the nearest millimetre October 6, 2020 Category: Chapter [...]
A life insurance agent found the following data for the distribution of ages of 100 policy holders. Calculate the median age, if policies are only given to persons having age 18 years on wards but less than 60 years.
06
Oct
A life insurance agent found the following data for the distribution of ages of 100 policy holders. Calculate the median age, if policies are only given to persons having age 18 years on wards but less than 60 years. A life insurance agent found the following data for the distribution of ages of 100 policy [...]