An astronomical telescope works by having a large objective lens and an eyepiece. It produces a virtual, inverted, and magnified image of distant objects. This is because the objective lens gathers light from distant objects and forms a real, inverted image, which is then magnified by the eyepiece. The final image appears upside down (inverted) and larger (magnified) than the original object.
'खालील प्रश्न सोडवा :वेगळा घटक ओळखा : कॅमेरा, दूरदर्शी, दरवाजावरील नेत्रदर्शिका, सूक्ष्मदर्शी
The circuit shown in the figure contains two ideal diodes \( D_1 \) and \( D_2 \). If a cell of emf 3V and negligible internal resistance is connected as shown, then the current through \( 70 \, \Omega \) resistance (in amperes) is: 