A wooden block of mass 60g has dimensions shown . The density of the box is A)0.5cm-³
B)5gcm-³
C)5kgcm³
D)0.5kgcm³​

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Which of the following statement is false