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A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm. The observing screen is placed 80 cm from the slit. The width of the central bright fringe will be
12
Oct
A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm. The observing screen is placed 80 cm from the slit. The width of the central bright fringe will be A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm. The observing screen is placed 80 [...]
Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon
12
Oct
Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
5. Daniel is paining the walls and ceiling of a cuboidal hall with length, breadth and height of 15 m, 10 m and 7 m respectively. From each can of paint 100 m^2of area is painted. How many cans of paint will she need to paint the room?
12
Oct
5. Daniel is paining the walls and ceiling of a cuboidal hall with length, breadth and height of 15 m, 10 m and 7 m respectively. From each can of paint 100 m^2of area is painted. How many cans of paint will she need to paint the room? 10 m and 7 m respectively. From [...]
4. Rukshar painted the outside of the cabinet of measure 1 m ×2 m ×1.5 m. How much surface area did she cover if she painted all except the bottom of the cabinet?
12
Oct
4. Rukshar painted the outside of the cabinet of measure 1 m ×2 m ×1.5 m. How much surface area did she cover if she painted all except the bottom of the cabinet? 4. Rukshar painted the outside of the cabinet of measure 1 m ×2 m ×1.5 m. How much surface area did she [...]
3. Find the side of a cube whose surface area is 600cm^2 .
12
Oct
3. Find the side of a cube whose surface area is 600cm^2 . 3. Find the side of a cube whose surface area is 600cm^2 . October 12, 2020 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
2. A suitcase with measures 80 cm x 48 cm x 24 cm is to be covered with a tarpaulin cloth. How many meters of tarpaulin of width 96 cm is required to cover 100 such suitcases?
12
Oct
2. A suitcase with measures 80 cm x 48 cm x 24 cm is to be covered with a tarpaulin cloth. How many meters of tarpaulin of width 96 cm is required to cover 100 such suitcases? 2. A suitcase with measures 80 cm x 48 cm x 24 cm is to be covered with [...]
1. There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make?
12
Oct
1. There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make? 1. There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make? October 12, 2020 Category: Chapter 11 - Mensuration , Maths , [...]
11. Diagram of the adjacent picture frame has outer dimensions = 24 cm×28 cm and inner dimensions 16 cm×20 cm. Find the area of each section of the frame, if the width of each section is same.
12
Oct
11. Diagram of the adjacent picture frame has outer dimensions = 24 cm×28 cm and inner dimensions 16 cm×20 cm. Find the area of each section of the frame, if the width of each section is same. 11. Diagram of the adjacent picture frame has outer dimensions = 24 cm×28 cm and inner dimensions 16 [...]
10. There is a pentagonal shaped park as shown in the figure. For finding its area Jyoti and Kavita divided it in two different ways. Find the area of this park using both ways. Can you suggest some other way of finding its area?
12
Oct
10. There is a pentagonal shaped park as shown in the figure. For finding its area Jyoti and Kavita divided it in two different ways. Find the area of this park using both ways. Can you suggest some other way of finding its area? 5. The diagonals of a rhombus are 7.5 cm and 12 [...]
What will be the angle of diffraction for the first minimum due to Fraunhofer diffraction with sources of light of wave length 550 nm and slit of width 0.55 mm ?
12
Oct
What will be the angle of diffraction for the first minimum due to Fraunhofer diffraction with sources of light of wave length 550 nm and slit of width 0.55 mm ? What will be the angle of diffraction for the first minimum due to Fraunhofer diffraction with sources of light of wave length 550 nm [...]