The answer is false. many point and shoot cameras support focusing
It was to watch how impressionable children acted on a weighted doll after a adult acted aggressively towards it and to see if hey acted the same way towards it
Answer:
E = 4 × 10⁻¹⁹ J
Explanation:
It is given that,
Wavelength = 510 nm
Frequency = 
We need to find the approximate energy of one photon of this light. The formula for the energy of a photon is given by :

or
E = 4 × 10⁻¹⁹ J
Hence, the correct option is (d).