What least number of grooves is required for a grating

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Reference no: EM134712

Question1

A source emits 531.62-nm and 531.81-nm light.

(a)What least number of grooves is required for a grating that resolves the two wavelengths in the first-order spectrum?

(b) Conclude the slit spacing for a grating 1.32 cm wide that has the necessary minimum number of grooves.

Question2

In outer space, far from other objects, block 1 of mass 70 kg is at position < 10, 10, 0 > m, and block 2 of mass 800 kg is at position < 22, 10, 0 > m. What is (vector) gravitational force acting on block 2 because of block 1?

Question3

David is driving a steady 25 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a stable 2.70 m/s^2 at an instant as David passes. How far does Tina drive before passing David?

What is her speed as she passes him?

Reference no: EM134712

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