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7.Simplify: (iv) (–2)^3 × (–10)^3
10
Oct
7.Simplify: (iv) (–2)^3 × (–10)^3 7.Simplify: (iv) (–2)^3 × (–10)^3 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
7.Simplify: (iii) (–3)^2 × (–5)^2
10
Oct
7.Simplify: (iii) (–3)^2 × (–5)^2 7.Simplify: (iii) (–3)^2 × (–5)^2 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
7.Simplify: (ii) (–3)×(–2)^3
10
Oct
7.Simplify: (ii) (–3)×(–2)^3 7.Simplify: (ii) (–3)×(–2)^3 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
7.Simplify: (i) (–4)^3
10
Oct
7.Simplify: (i) (–4)^3 7.Simplify: (i) (–4)^3 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
6.Simplify: (viii) 3^2 × 10^4
10
Oct
6.Simplify: (viii) 3^2 × 10^4 6.Simplify: (viii) 3^2 × 10^4 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
Find the minimum thickness of mica sheet having mu = 3/2 which should be placed in front of one of the slits in YDSE is required to reduce the intensity at the centre of screen
10
Oct
Find the minimum thickness of mica sheet having mu = 3/2 which should be placed in front of one of the slits in YDSE is required to reduce the intensity at the centre of screen Find the minimum thickness of mica sheet having mu = 3/2 which should be placed in front of one of [...]
6.Simplify: (vii) 2^4 × 3^2
10
Oct
6.Simplify: (vii) 2^4 × 3^2 6.Simplify: (vii) 2^4 × 3^2 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
Light incident on the slit S1 passes through a medium of variable refractive index mu = 1 + ax (where x is the distance from the plane of slits as shown, up to a distance L before falling on S1)
10
Oct
Light incident on the slit S1 passes through a medium of variable refractive index mu = 1 + ax (where x is the distance from the plane of slits as shown, up to a distance L before falling on S1) Light incident on the slit S1 passes through a medium of variable refractive index mu [...]
6.Simplify: (vi) 5^2 × 3^3
10
Oct
6.Simplify: (vi) 5^2 × 3^3 6.Simplify: (vi) 5^2 × 3^3 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
In YDSE with d = 1 mm and D = 1 m, slabs of (t = 1 micron m, mu = 3 ) and (t = 0.5 mu m, mu = 2) are introduced in front of upper and lower slits, respectively. Find the shift
10
Oct
In YDSE with d = 1 mm and D = 1 m, slabs of (t = 1 micron m, mu = 3 ) and (t = 0.5 mu m, mu = 2) are introduced in front of upper and lower slits, respectively. Find the shift In YDSE with d = 1 mm and D = [...]