One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens?

To observe a convex lens which can produce the complete image of the object whereas half of the lens is covered. Because light coming from the object can be refracted from the other half of the lens. Therefore, the intensity of light will be reduced.Object sizeh=+4cmObject distanceu=−20cmFocal lengthf=−10cmImage distancev=?Image sizeh′=?we know,1f=1u+1v1v=1f−1u1v=−120v=−20The screen should be placed at 20 cm from the mirror.The image is real.Also magnification m=-1So, the image is inverted and enlarged.