Question Answers
Sahay Sir > Question Answers
Parallel light of wavelength 5000 A falls normally on a single slit. The central maximum spreads out to 30 on either side of the incident light. Find the width of the slit. For what width
11
Oct
Parallel light of wavelength 5000 A falls normally on a single slit. The central maximum spreads out to 30 on either side of the incident light. Find the width of the slit. For what width Parallel light of wavelength 5000 A falls normally on a single slit. The central maximum spreads out to 30 on [...]
3. Find the product. ii) (2/3 xy) ×(-9/10 x^2y^2)
11
Oct
3. Find the product. ii) (2/3 xy) ×(-9/10 x^2y^2) 3. Find the product. ii) (2/3 xy) ×(-9/10 x^2y^2) October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Monochromatic light passes through a slit whose width is 0.050 mm. At what angle will the third minimum be seen and what is the width of the central maximum on a screen located
11
Oct
Monochromatic light passes through a slit whose width is 0.050 mm. At what angle will the third minimum be seen and what is the width of the central maximum on a screen located Monochromatic light passes through a slit whose width is 0.050 mm. At what angle will the third minimum be seen and what [...]
Microwaves of frequency 12000 MHz are incident normally on a rectangular slit of width 10 cm. Calculate angular spread of the central maximum of the diffraction pattern of the slit.
11
Oct
Microwaves of frequency 12000 MHz are incident normally on a rectangular slit of width 10 cm. Calculate angular spread of the central maximum of the diffraction pattern of the slit. Microwaves of frequency 12000 MHz are incident normally on a rectangular slit of width 10 cm. Calculate angular spread of the central maximum of the [...]
Light of wavelength 5900 A falls normally on a slit of width 11.8 * 10^-5 cm and the resulting Fraunhofer diffraction is received on a screen. Calculate the angular position of the
11
Oct
Light of wavelength 5900 A falls normally on a slit of width 11.8 * 10^-5 cm and the resulting Fraunhofer diffraction is received on a screen. Calculate the angular position of the Light of wavelength 5900 A falls normally on a slit of width 11.8 * 10^-5 cm and the resulting Fraunhofer diffraction is received [...]
A slit of width 0.15 cm is illuminated by light of wavelength 5 * 10^-7m and a diffraction pattern is obtained on a screen 21 m away. Calculate the width of the central maxima.
11
Oct
A slit of width 0.15 cm is illuminated by light of wavelength 5 * 10^-7m and a diffraction pattern is obtained on a screen 21 m away. Calculate the width of the central maxima. A slit of width 0.15 cm is illuminated by light of wavelength 5 * 10^-7m and a diffraction pattern is obtained [...]
3. Find the product. i) a^2 x (2a^22) x (4a^26)
11
Oct
3. Find the product. i) a^2 x (2a^22) x (4a^26) 3. Find the product. i) a^2 x (2a^22) x (4a^26) October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
2. Complete the table.
11
Oct
2. Complete the table. 2. Complete the table. October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
1. Carry out the multiplication of the expressions in each of the following pairs. (v) pq + qr + rp, 0
11
Oct
1. Carry out the multiplication of the expressions in each of the following pairs. (v) pq + qr + rp, 0 1. Carry out the multiplication of the expressions in each of the following pairs. (v) pq + qr + rp October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , [...]
1. Carry out the multiplication of the expressions in each of the following pairs. (iv) a2 – 9, 4a
11
Oct
1. Carry out the multiplication of the expressions in each of the following pairs. (iv) a2 – 9, 4a 1. Carry out the multiplication of the expressions in each of the following pairs. (iv) a2 – 9 4a October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 [...]