In the grating equation nλ=d sin θ, the quantity θ will be determined in the lab: Using meter sticks and geometry/trigonometry, using the angular scale on the experimental apparatus, using a protractor.

The wavelength of blue light is greater than red light and its energy is greater. True or False?

An incandescent light bulb produces what kind of visible spectrum?
A. Blackbody B. Discrete C. Continuous D. Infrared

Use coordinate geometry to prove each statement. If a parallelogram is a rhombus, its diagonals are perpendicular. How will you place the rhombus in a coordinate plane? What formulas will you need to use?

In a quadrilateral $ABCD$ in Lobachevskian geometry, the sum of the measures of the angles must be $\underline{\quad\quad\quad\quad\quad\quad\quad}$ $360^{\circ}$. (less than/greater than)

For the following exercises, perform the given operations.

$$(3 b+6)(3 b-6)\left(9 b^2-36\right)$$

Sketch the region whose signed area is represented by the definite integral, and evaluate the integral using an appropriate formula from geometry, where needed.

$$\int _ { - 1 } ^ { 2 } | 2 x - 3 | d x$$

The ammonium ion, $\mathrm{NH}_4+$, has a geometry identical to that of methane, $\mathrm{CH}_4$. What kind of hybridization do you think the nitrogen atom has? Explain.

Perform the indicated operations.

$$\left(-\frac{3}{8}\right) \cdot\left(-\frac{2}{15}\right)$$

Geometry The sides of a triangle are 15 in., 17 in., and 16 in. The smallest angle has a measure of 54°. Find the measure of the largest angle. Round to the nearest degree. Know The sides of the triangle are

Perform the following operations. Write answers in simplest form.

$$\frac{2}{3} \cdot \frac{3}{5}$$

Specify the electron-pair and molecular geometry for each underlined atom in the following list. Describe the hybrid orbital set used by this atom in each molecule or ion .\

$$\mathrm{CO}_5{ }^{2-}$$

Geometry The length of each of the two equal sides of an isosceles triangle is 10 meters. The angle between the two sides is $\theta$. Write the area of the triangle as a function of $\theta / 2$.

Geometry The width of a box is 2 m less than the length. The height is 1 m less than the length . The volume is 60 m³. What is the length of the box? Know The height of the box is equal to _____ -1 m.