Which of the following statements is/are TRUE about sound?

Which of the option(s) given below can fit in the empty box? [Figure: see page 17 of source PDF]

Shown below are photographs of same objects using different settings. Given that the lighting conditions were constant in all, which of the following statement(s) is/are TRUE? [Figure: see page 18 of source PDF]

When force is applied on arms P and Q in the direction indicated by the arrows, R and S move away from each other. When that force is removed, R and S fall back towards each other. Which of the option(s) satisfies (satisfy) the above condition? [Figure: see page 17 of source PDF]

When photographs are taken on bright sunny days, there is a possibility of an intense glare appearing in the photograph. Which action(s) can be taken to avoid the glare?

Figure 1 shows an unfolded view of a box. The dotted lines depict the folding lines. The options show four fully folded boxes. Identify the box(es) that can be unfolded as figure 1? [Figure: see page 17 of source PDF]

Which of the option(s) describe(s) the films shown below in the correct order? [Figure: see page 19 of source PDF]

Given all the batteries in the circuits shown below are of same voltage and all the bulbs are of same wattage, and the internal resistance is negligible in all the cases, which of the statement(s) is/are TRUE? [Figure: see page 16 of source PDF]

Shown on the left is the logo of Beijing Olympics. Which of the pictogram(s) was/were used in the same Olympics? [Figure: see page 19 of source PDF]