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A double convex thin lens made of glass (refractive index, =1.5) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens will converge at a distance d in cm, such that : =1.5) has both radii of curvature of magnitude 20 cm. Incident light rays parallel [...]

A transparent sphere of radius R and refractive index μ is kept in the air. At what distance from the surface of the sphere should a point be placed so as to form a real image at the same distance from the other side of the sphere? If the behavior of light rays is shown [...]

A point object is placed at the center of a glass sphere of radius 6 cm and refractive index 1.5. The distance of virtual image from the surface is : A point object is placed at the center of a glass sphere of radius 6 cm and refractive index 1.5. The distance of virtual image [...]

The focal length of the lens of refractive index ( μ = 1.5 )in air is 10cm. If air is replaced by water of (μ=4/3) its focal length is The focal length of the lens of refractive index ( μ = 1.5 )in air is 10cm. If air is replaced by water of (μ=4/3) its [...]

Chloride ion and potassium ion are isoelectronic. Then (a) Potassium ion is relatively bigger (b) Depends on the other cation and anion (c) Their size are same Chloride ion and potassium ion are isoelectronic. Then (a) Potassium ion is relatively bigger (b) Depends on the other cation and anion (c) Their size are same November [...]

Correct energy value order is (a) ns np nd (n – 1) f (b) ns np (n – 1) d (n -2) f (c) ns np (n-1)d (n-1) f (d) ns (n – 1)d n(n-1) f Correct energy value order is (a) ns np nd (n - 1) f (b) ns np (n - 1) [...]

What is the refractive index of material of a planoconvex lens, if the radius of curvature of the convex surface is 10 cm and focal length of the lens is 30 cm ? if the radius of curvature of the convex surface is 10 cm and focal length of the lens is 30 cm ? [...]

The trivalent ion having largest size in lanthanide series is (a) Ti (b) Zr (c) Hf (d) La The trivalent ion having largest size in lanthanide series is (a) Ti (b) Zr (c) Hf (d) La November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which one of the following should be most stable (a) H2 + (b) H + (c) H (d) H – Which one of the following should be most stable (a) H2 + (b) H + (c) H (d) H - November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The atomic radius of elements of which of the following series would be nearly the same (a) Na K Rb Cs (b) Li Be B C (c) Fe Co Ni Cu (d) F Cl Br I The atomic radius of elements of which of the following series would be nearly the same (a) Na K [...]