IGCSE Physics of Christmas Quiz | Baamboozle - Baamboozle

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Santa uses radio waves to communicate with elves. If he switches to microwaves, how does the frequency change?

Increases

decreases

stays the same

Rudolph's nose shines so bright, it can be seen reflecting off a frozen lake. If the angle of incidence of Rudolph’s nose light is 30 degrees, what is the angle of reflection in the ice?

30 degrees

smaller than 30 degrees

larger than 30 degrees

Rudolph doesn't have a nose

Santa's sleigh bells reflect sound around the North Pole. If an elf stands 600 meters away from Santa and hears the bell 1.76 second later, what is the speed of sound in the North Pole air?

340 m/s

1002 m/s

600 m/s

3*10^8 m/s

Santa needs to calculate how efficient his new toy-making machine is. If it uses 1000 J of electrical energy and produces 600 J of useful toy energy, what is its efficiency?

60%

40%

16.7 %

100%

Santa’s workshop has a power outage and the only light comes from Rudolph’s nose, which emits 8000 Joules of light energy in 2 hours. What is the power of Rudolph's nose?

1.1 Watt

4000 Watt

2.2 Watt

8000 watt

If an elf blows up a balloon and it expands to a radius of 50 cm and exerts a pressure of 1.5 Pa on its surface, what is the force exerted by the air inside? Assume the balloon is a sphere with area 4*pi*r^2

4.7 N

1.2 N

3.1 N

9.4 N

On Christmas Eve, Santa consumes 15 cookies which gives him 250 Calories of energy (1 Calorie = 4184 J) each. If santa weighs 100 kg and he needs to climb 5 m for each chimney, how many chimneys can he climb with the energy from 15 cookies?

3138 Chimneys

0.75 Chimneys

31 380 Chimneys

209 Chimneys

Santa’s sleigh weighs 2000 kg and is being pulled by 8 reindeer. Each reindeer exerts a force of 200 N. The sleigh experiences air resistance of 150N. What is the acceleration of the sleigh?

1.38 m/s^2

0.03 m/s^2

40 m/s^2

1.25 m/s^2

How much power does Rudolph exert if he pulls Santa’s sleigh, doing 500 J of work over a distance of 5 meter in 10 seconds?

50 J

100 J

2500 J

5 000 J

Santa accidentally dropped a bag of presents in the ocean. If the bag has a mass of 10 kg and a volume of 0.008 m³, will it sink or float in water? (Assume the density of water is 1000 kg/m 3 1000 kg/m^3 )

Sink

Float

Dissapear

Santa isn't real

If the elves throw snowballs with a kinetic energy of 16 Joules and a mass of 0.5 kg, what is the speed of the snowballs?

8 m/s

32 m/s

5. 66 m/s

16 J

Santa is checking his list and lifting his 23 kg bag of toys up and down. If he lifts it 0.5 meters, how much work does he do each time? (Use g = 10 m/s^2)

115 J

230 J

11.5 J

0 J

If a reindeer pushes a sleigh with a force of 15 N for 3 minutes, how much work is done if the sleigh doesn't move?

0 J

45 J

2700 J

5 J

Mrs. Claus baked cookies and placed them in a straight line, 5 cm apart. If there are 20 cookies, what is the total distance from the first to the last cookie?

95 cm

20 cm

100 cm

105 cm