These are the options for the question :. The area of a triangle with vertices A, B, C is given by …
These are the options for the question :If A is a square matrix of order 3, |?′| = −3, then |??′| =…
These are the options for the question : If A = is a skew-symmetric matrix of order n, then The cor…
Question 33:Draw V-I characteristic of a p-n junction diode in (i) forward bias and (ii) reverse bi…
Question 32:A student connects the blue coloured LED as shown in the figure. The LED did not glow w…
Question 31:What should be the order of bandgap of an LED, if it is required to emit light in the v…
Question 30:Why are LEDs made of compound semiconductor and not of elemental semiconductors? The co…
Question 29:Write two distinct advantages of a reflecting type telescope over a refracting type tel…
Question 28:Write two points of difference between a compound microscope and an astronomical telesc…
Question 27:In modern microscopes multicomponent lenses are used for both the objective and the eye…
Question 26:Why the image formed at infinity is often considered most suitable for viewing. Explain…
Question 25:Find the angle of incidence at face AB so that the emergent ray grazes along the face A…
