Answer Happy

4a) (5 pts) An clectromagnetic wave propagates from the origin from left to right in the plane of the page. Sketch the patter of the electric and magnetic fields as the wave travels[label which is which!). 4b) (5 pts) What frequency corresponds to infrared light with wavelength 2100 nm? 4e) (12 pts) An object 5.0 mm tall is placed 25 cm from a converging lens with focal length of 45cm. How far is the image from the lens? (ii) What is the magnification of the image? (iii) Circle the TWO following terms which describe the image ( real, virtual, upright, inverted) 4d) (3 pts) Which statement about spherical mirrors is correct? 1) A concave mirror always produces a real inverted image 11) A convex mirror produces a virtual crect image only if the object is inside the mirror's focal point. in convex mirror always produces a virtual inverted image. iv) A concave mirror sometimes produces a real erect image. v) A convex mirror always produces a virtual erect image.