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The scalar product of two vectors is 2√3 and the magnitude of their vector product is 2. The angle between them is The scalar product of two vectors is 2√3 and the magnitude of their vector product is 2. The angle between them is September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]

The value of ( A + B ) X ( A – B ) is The value of ( A + B ) X ( A - B ) is September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , Part 1 ,

Three vectors A, B and C satisfy the relation A – B = 0 and A – C = 0. The vector A is parallel to B and C satisfy the relation A - B = 0 and A - C = 0. The vector A is parallel to Three vectors A September 8, 2020 [...]

If A x B = C, then which of the following statements is wrong If A x B = C then which of the following statements is wrong September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , Part 1 ,

For a prism, A = 60 n = root 7/3. Find the minimum possible angle of incidence, so that the light ray is refracted from the second surface. Also find delta max. A = 60 n = root 7/3. Find the minimum possible angle of incidence For a prism so that the light ray is [...]

The cross section of a glass prism has the form of an isosceles triangle. One of the refracting faces is silvered. A ray of light falling normally on the other refracting face, being reflected twice, emerges through the base being reflected twice emerges through the base The cross section of a glass prism has the [...]

The vector component of vector A = 3i + 4j + 5k along vector B = i + j + k is The vector component of vector A = 3i + 4j + 5k along vector B = i + j + k is September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]

A rectangular block of refractive index mu is placed on a printed page lying on a horizontal surface as shown in figure. Find the minimum value of mu so that the letter L on the page is not visible A rectangular block of refractive index mu is placed on a printed page lying on a [...]

An inductor 20 x10 ^-3H, a capacitor 100 muF, and a resistor 50 ohm are connecte4d in series across a source of emf V =10 sin 314 t. find the energy dissipated in the circuit in 20 min. a capacitor 100 muF An inductor 20 x10 ^-3H and a resistor 50 ohm are connecte4d in [...]

A prism has refracting angle equal to pie/2. It is given the gama is the angle of minimum deviation and beta is the deviation of the ray entering at grazing incidence. Prove that sin gama = sin^2 Beta. refracting angle A so that there is no emergent ray irrespective of the angle of incidence? What [...]