3. an object is placed at a distance of 75 om from a screen cohere a conteve level of focal length 12 cm should be placed to obtain real image of the object on screen? soln,

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion